<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 3.4c -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: http://www.novaworks.co -->
    <!-- Field: Doc-Info; Name: Source; Value: frm10k12.xfr; Date: 2013/03/08T16:41:24 -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef roleURI="http://solitarioxr.com/role/DocumentAndEntityInformation" xlink:href="xpl-20121231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BalanceSheets" xlink:href="xpl-20121231.xsd#BalanceSheets" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BalanceSheetsParenthetical" xlink:href="xpl-20121231.xsd#BalanceSheetsParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/StatementsOfOperations" xlink:href="xpl-20121231.xsd#StatementsOfOperations" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/StatementsOfComprehensiveIncome" xlink:href="xpl-20121231.xsd#StatementsOfComprehensiveIncome" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/StatementsOfCashFlows" xlink:href="xpl-20121231.xsd#StatementsOfCashFlows" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/StatementsOfCashFlowsParenthetical" xlink:href="xpl-20121231.xsd#StatementsOfCashFlowsParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/StatementsOfShareholdersEquity" xlink:href="xpl-20121231.xsd#StatementsOfShareholdersEquity" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/StatementsOfShareholdersEquityParenthetical" xlink:href="xpl-20121231.xsd#StatementsOfShareholdersEquityParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/MineralProperties" xlink:href="xpl-20121231.xsd#MineralProperties" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/ShortTermDebt" xlink:href="xpl-20121231.xsd#ShortTermDebt" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/LongTermDebt" xlink:href="xpl-20121231.xsd#LongTermDebt" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/IncomeTaxes" xlink:href="xpl-20121231.xsd#IncomeTaxes" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/DerivativeInstruments" xlink:href="xpl-20121231.xsd#DerivativeInstruments" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/FairValueOfFinancialInstruments" xlink:href="xpl-20121231.xsd#FairValueOfFinancialInstruments" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/CommitmentsAndContingencies" xlink:href="xpl-20121231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/EmployeeStockCompensationPlans" xlink:href="xpl-20121231.xsd#EmployeeStockCompensationPlans" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/ElyGoldInvestmentAndMt.HamiltonJointVenture" xlink:href="xpl-20121231.xsd#ElyGoldInvestmentAndMt.HamiltonJointVenture" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/RelatedPartyTransactions" xlink:href="xpl-20121231.xsd#RelatedPartyTransactions" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SegmentReporting" xlink:href="xpl-20121231.xsd#SegmentReporting" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SubsequentEvent" xlink:href="xpl-20121231.xsd#SubsequentEvent" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/MineralPropertiesTables" xlink:href="xpl-20121231.xsd#MineralPropertiesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/ShortTermDebtTables" xlink:href="xpl-20121231.xsd#ShortTermDebtTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/LongTermDebtTables" xlink:href="xpl-20121231.xsd#LongTermDebtTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/IncomeTaxesTables" xlink:href="xpl-20121231.xsd#IncomeTaxesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/DerivativeInstrumentsTables" xlink:href="xpl-20121231.xsd#DerivativeInstrumentsTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/FairValueOfFinancialInstrumentsTables" xlink:href="xpl-20121231.xsd#FairValueOfFinancialInstrumentsTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/EmployeeStockCompensationPlansTables" xlink:href="xpl-20121231.xsd#EmployeeStockCompensationPlansTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SegmentReportingTables" xlink:href="xpl-20121231.xsd#SegmentReportingTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SubsequentEventTables" xlink:href="xpl-20121231.xsd#SubsequentEventTables" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-InvestmentInKinrossDetails" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPolicies-InvestmentInKinrossDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-SalesOfKinrossDetails" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPolicies-SalesOfKinrossDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-MarketableSecuritiesDetails" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPolicies-MarketableSecuritiesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-ChangesInMarketableSecuritiesDetails" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPolicies-ChangesInMarketableSecuritiesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPoliciesDetailsNarrative" xlink:href="xpl-20121231.xsd#BusinessAndSummaryOfSignificantAccountingPoliciesDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/MineralProperties-InvestmentsInMineralPropertyDetails" xlink:href="xpl-20121231.xsd#MineralProperties-InvestmentsInMineralPropertyDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/MineralProperties-ExplorationExpenseDetails" xlink:href="xpl-20121231.xsd#MineralProperties-ExplorationExpenseDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/MineralPropertiesDetailsNarrative" xlink:href="xpl-20121231.xsd#MineralPropertiesDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/ShortTermDebt-ShortTermDebtDetails" xlink:href="xpl-20121231.xsd#ShortTermDebt-ShortTermDebtDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/ShortTermDebt-InterestExpenseShortTermDebtDetails" xlink:href="xpl-20121231.xsd#ShortTermDebt-InterestExpenseShortTermDebtDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/ShortTermDebtDetailsNarrative" xlink:href="xpl-20121231.xsd#ShortTermDebtDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/LongTermDebt-DebtPaymentsDueAugustaDetails" xlink:href="xpl-20121231.xsd#LongTermDebt-DebtPaymentsDueAugustaDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/LongTermDebt-InterestExpenseRelatedToRmbLoanDetails" xlink:href="xpl-20121231.xsd#LongTermDebt-InterestExpenseRelatedToRmbLoanDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/LongTermDebtDetailsNarrative" xlink:href="xpl-20121231.xsd#LongTermDebtDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/IncomeTaxes-IncomeTaxesUnitedStatesAndForeignDetails" xlink:href="xpl-20121231.xsd#IncomeTaxes-IncomeTaxesUnitedStatesAndForeignDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/IncomeTaxes-IncomeTaxNetDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="xpl-20121231.xsd#IncomeTaxes-IncomeTaxNetDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/IncomeTaxes-IncomeTaxesReconciliationOfFederalIncomeTaxesDetails" xlink:href="xpl-20121231.xsd#IncomeTaxes-IncomeTaxesReconciliationOfFederalIncomeTaxesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/IncomeTaxesDetailsNarrative" xlink:href="xpl-20121231.xsd#IncomeTaxesDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/DerivativeInstruments-DerivativeInstrumentsLocationAndAmountDetails" xlink:href="xpl-20121231.xsd#DerivativeInstruments-DerivativeInstrumentsLocationAndAmountDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/DerivativeInstruments-DerivativeInstrumentsGainLossDetails" xlink:href="xpl-20121231.xsd#DerivativeInstruments-DerivativeInstrumentsGainLossDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/DerivativeInstrumentsDetailsNarrative" xlink:href="xpl-20121231.xsd#DerivativeInstrumentsDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/FairValueOfFinancialInstruments-FairValueOfAssetsAndLiabilitiesByLevelDetails" xlink:href="xpl-20121231.xsd#FairValueOfFinancialInstruments-FairValueOfAssetsAndLiabilitiesByLevelDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/CommitmentsAndContingenciesDetailsNarrative" xlink:href="xpl-20121231.xsd#CommitmentsAndContingenciesDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/EmployeeStockCompensationPlans-GrantDateFairValueDetails" xlink:href="xpl-20121231.xsd#EmployeeStockCompensationPlans-GrantDateFairValueDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/EmployeeStockCompensationPlans-StockOptionPlanActivityDetails" xlink:href="xpl-20121231.xsd#EmployeeStockCompensationPlans-StockOptionPlanActivityDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/EmployeeStockCompensationPlansDetailsNarrative" xlink:href="xpl-20121231.xsd#EmployeeStockCompensationPlansDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/ElyGoldInvestmentAndMt.HamiltonJointVentureDetailsNarrative" xlink:href="xpl-20121231.xsd#ElyGoldInvestmentAndMt.HamiltonJointVentureDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/RelatedPartyTransactionsDetailsNarrative" xlink:href="xpl-20121231.xsd#RelatedPartyTransactionsDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SegmentReporting-SegmentReportingInformationDetails" xlink:href="xpl-20121231.xsd#SegmentReporting-SegmentReportingInformationDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SegmentReportingDetailsNarrative" xlink:href="xpl-20121231.xsd#SegmentReportingDetailsNarrative" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SubsequentEvent-SubsequentEventExplorationCommitmentDetails" xlink:href="xpl-20121231.xsd#SubsequentEvent-SubsequentEventExplorationCommitmentDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://solitarioxr.com/role/SubsequentEventDetailsNarrative" xlink:href="xpl-20121231.xsd#SubsequentEventDetailsNarrative" xlink:type="simple" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/DocumentAndEntityInformation" xlink:title="0001 - Document - Document and Entity Information" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BalanceSheets" xlink:title="0002 - Statement - Consolidated Balance Sheets">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_XPLAssetsCurrent" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_XPLCashAndCashEquivalentsAtCarryingValue" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssetsCurrent" xlink:to="loc_XPLCashAndCashEquivalentsAtCarryingValue" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="loc_XPLAvailableForSaleSecuritiesCurrent" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssetsCurrent" xlink:to="loc_XPLAvailableForSaleSecuritiesCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_InstallmentSaleReceivable" xlink:label="loc_XPLInstallmentSaleReceivable" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssetsCurrent" xlink:to="loc_XPLInstallmentSaleReceivable" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_XPLPrepaidExpenseAndOtherAssetsCurrent" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssetsCurrent" xlink:to="loc_XPLPrepaidExpenseAndOtherAssetsCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_XPLAssets" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MineralPropertiesNet" xlink:label="loc_XPLMineralPropertiesNet" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssets" xlink:to="loc_XPLMineralPropertiesNet" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_XPLAvailableForSaleSecurities" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssets" xlink:to="loc_XPLAvailableForSaleSecurities" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_XPLEquityMethodInvestments" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssets" xlink:to="loc_XPLEquityMethodInvestments" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_XPLOtherAssetsNoncurrent" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssets" xlink:to="loc_XPLOtherAssetsNoncurrent" xlink:type="arc" weight="1" />
      <link:calculationArc order="500" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLAssets" xlink:to="loc_XPLAssetsCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_XPLLiabilitiesCurrent" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_XPLAccountsPayableCurrent" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesCurrent" xlink:to="loc_XPLAccountsPayableCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermNonBankLoansAndNotesPayable" xlink:label="loc_XPLShortTermNonBankLoansAndNotesPayable" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesCurrent" xlink:to="loc_XPLShortTermNonBankLoansAndNotesPayable" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_XPLLongTermDebtCurrent" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesCurrent" xlink:to="loc_XPLLongTermDebtCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="loc_XPLDeferredTaxLiabilitiesCurrent" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesCurrent" xlink:to="loc_XPLDeferredTaxLiabilitiesCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_XPLOtherLiabilitiesCurrent" />
      <link:calculationArc order="500" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesCurrent" xlink:to="loc_XPLOtherLiabilitiesCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_XPLStockholdersEquity" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_XPLCommonStockValue" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLStockholdersEquity" xlink:to="loc_XPLCommonStockValue" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_XPLAdditionalPaidInCapital" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLStockholdersEquity" xlink:to="loc_XPLAdditionalPaidInCapital" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_XPLRetainedEarningsAccumulatedDeficit" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLStockholdersEquity" xlink:to="loc_XPLRetainedEarningsAccumulatedDeficit" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_XPLAccumulatedOtherComprehensiveIncomeLossNetOfTax" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLStockholdersEquity" xlink:to="loc_XPLAccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_XPLStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_XPLStockholdersEquity" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_XPLMinorityInterest" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_XPLMinorityInterest" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ContraNoncontrollingInterest" xlink:label="loc_XPLContraNoncontrollingInterest" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_XPLContraNoncontrollingInterest" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_XPLLiabilitiesAndStockholdersEquity" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesAndStockholdersEquity" xlink:to="loc_XPLLiabilitiesCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_XPLLongTermDebtNoncurrent" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesAndStockholdersEquity" xlink:to="loc_XPLLongTermDebtNoncurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_XPLDeferredTaxLiabilitiesNoncurrent" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesAndStockholdersEquity" xlink:to="loc_XPLDeferredTaxLiabilitiesNoncurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredGainOnSaleOfProperty" xlink:label="loc_XPLDeferredGainOnSaleOfProperty" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesAndStockholdersEquity" xlink:to="loc_XPLDeferredGainOnSaleOfProperty" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_XPLDerivativeLiabilities" />
      <link:calculationArc order="500" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesAndStockholdersEquity" xlink:to="loc_XPLDerivativeLiabilities" xlink:type="arc" weight="1" />
      <link:calculationArc order="600" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLLiabilitiesAndStockholdersEquity" xlink:to="loc_XPLStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BalanceSheetsParenthetical" xlink:title="0003 - Statement - Consolidated Balance Sheets (Parenthetical)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/StatementsOfOperations" xlink:title="0004 - Statement - Consolidated Statements of Operations">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_XPLOtherCostAndExpenseOperating" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExplorationExpense" xlink:label="loc_XPLExplorationExpense" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherCostAndExpenseOperating" xlink:to="loc_XPLExplorationExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_XPLDepreciationAndAmortization" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherCostAndExpenseOperating" xlink:to="loc_XPLDepreciationAndAmortization" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_XPLGeneralAndAdministrativeExpense" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherCostAndExpenseOperating" xlink:to="loc_XPLGeneralAndAdministrativeExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainRecognizedInIncome" xlink:label="loc_XPLDerivativeInstrumentsGainRecognizedInIncome" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherCostAndExpenseOperating" xlink:to="loc_XPLDerivativeInstrumentsGainRecognizedInIncome" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:label="loc_XPLExplorationAbandonmentAndImpairmentExpense" />
      <link:calculationArc order="500" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherCostAndExpenseOperating" xlink:to="loc_XPLExplorationAbandonmentAndImpairmentExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_XPLGainLossOnDispositionOfAssets" />
      <link:calculationArc order="600" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherCostAndExpenseOperating" xlink:to="loc_XPLGainLossOnDispositionOfAssets" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestAndDividendIncomeSecurities" xlink:label="loc_XPLInterestAndDividendIncomeSecurities" />
      <link:calculationArc order="700" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherCostAndExpenseOperating" xlink:to="loc_XPLInterestAndDividendIncomeSecurities" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_XPLOtherIncome" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesGainLoss" xlink:label="loc_XPLMarketableSecuritiesGainLoss" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherIncome" xlink:to="loc_XPLMarketableSecuritiesGainLoss" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_XPLDerivativeGainLossOnDerivativeNet" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherIncome" xlink:to="loc_XPLDerivativeGainLossOnDerivativeNet" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_XPLIncomeLossFromEquityMethodInvestments" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLOtherIncome" xlink:to="loc_XPLIncomeLossFromEquityMethodInvestments" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_XPLNetIncomeLoss" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="loc_XPLIncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetIncomeLoss" xlink:to="loc_XPLIncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_XPLDeferredIncomeTaxExpenseBenefit" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetIncomeLoss" xlink:to="loc_XPLDeferredIncomeTaxExpenseBenefit" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_NetLossAttributableToSolitarioStockholders" xlink:label="loc_XPLNetLossAttributableToSolitarioStockholders" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetLossAttributableToSolitarioStockholders" xlink:to="loc_XPLNetIncomeLoss" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_XPLIncomeLossAttributableToNoncontrollingInterest" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetLossAttributableToSolitarioStockholders" xlink:to="loc_XPLIncomeLossAttributableToNoncontrollingInterest" xlink:type="arc" weight="-1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/StatementsOfComprehensiveIncome" xlink:title="0005 - Statement - Consolidated Statements of Comprehensive Income">
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ComprehensiveLossCI" xlink:label="loc_XPLComprehensiveLossCI" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_NetIncomeLossCashFlows" xlink:label="loc_XPLNetIncomeLossCashFlows" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLComprehensiveLossCI" xlink:to="loc_XPLNetIncomeLossCashFlows" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesUnrealizedGainLoss" xlink:label="loc_XPLMarketableSecuritiesUnrealizedGainLoss" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLComprehensiveLossCI" xlink:to="loc_XPLMarketableSecuritiesUnrealizedGainLoss" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ComprehensiveLoss2CI" xlink:label="loc_XPLComprehensiveLoss2CI" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ComprehensiveLossAttributedToSolitarioShareholdersCI" xlink:label="loc_XPLComprehensiveLossAttributedToSolitarioShareholdersCI" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLComprehensiveLoss2CI" xlink:to="loc_XPLComprehensiveLossAttributedToSolitarioShareholdersCI" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ComprehensiveLossAttributableToNoncontrollingInterestsCI" xlink:label="loc_XPLComprehensiveLossAttributableToNoncontrollingInterestsCI" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLComprehensiveLoss2CI" xlink:to="loc_XPLComprehensiveLossAttributableToNoncontrollingInterestsCI" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/StatementsOfCashFlows" xlink:title="0006 - Statement - Consolidated Statements of Cash Flows">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_XPLNetCashProvidedByUsedInOperatingActivities" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_NetIncomeLossCashFlows" xlink:label="loc_XPLNetIncomeLossCashFlows" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLNetIncomeLossCashFlows" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_DerivativeInstrumentsGainRecognizedInIncomeCF" xlink:label="loc_XPLDerivativeInstrumentsGainRecognizedInIncomeCF" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLDerivativeInstrumentsGainRecognizedInIncomeCF" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_XPLDepreciationAndAmortization" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLDepreciationAndAmortization" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_LossOnEquityMethodInvestmentsCF" xlink:label="loc_XPLLossOnEquityMethodInvestmentsCF" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLLossOnEquityMethodInvestmentsCF" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ExplorationImpairmentAndAbandonmentExpenseCF" xlink:label="loc_XPLExplorationImpairmentAndAbandonmentExpenseCF" />
      <link:calculationArc order="500" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLExplorationImpairmentAndAbandonmentExpenseCF" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionPlanExpense" xlink:label="loc_XPLStockOptionPlanExpense" />
      <link:calculationArc order="600" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLStockOptionPlanExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_DeferredIncomeTaxExpenseBenefitCF" xlink:label="loc_XPLDeferredIncomeTaxExpenseBenefitCF" />
      <link:calculationArc order="700" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLDeferredIncomeTaxExpenseBenefitCF" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_DerivativeGainLossOnDerivativeCF" xlink:label="loc_XPLDerivativeGainLossOnDerivativeCF" />
      <link:calculationArc order="800" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLDerivativeGainLossOnDerivativeCF" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_XPLAmortizationOfDebtDiscountPremium" />
      <link:calculationArc order="900" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLAmortizationOfDebtDiscountPremium" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_GainAssetAndSecuritiesSales" xlink:label="loc_XPLGainAssetAndSecuritiesSales" />
      <link:calculationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLGainAssetAndSecuritiesSales" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="loc_XPLIncreaseDecreaseInPrepaidExpense" />
      <link:calculationArc order="1100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLIncreaseDecreaseInPrepaidExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities" xlink:label="loc_XPLIncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities" />
      <link:calculationArc order="1200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_XPLIncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_XPLNetCashProvidedByUsedInInvestingActivities" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_PaymentsMadeForAdditionsToMineralProperties" xlink:label="loc_XPLPaymentsMadeForAdditionsToMineralProperties" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_XPLPaymentsMadeForAdditionsToMineralProperties" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionsToOtherAssetsAmount" xlink:label="loc_XPLAdditionsToOtherAssetsAmount" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_XPLAdditionsToOtherAssetsAmount" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfDerivatives" xlink:label="loc_XPLGainLossOnSaleOfDerivatives" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_XPLGainLossOnSaleOfDerivatives" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ProceedsFromSaleOfMineralProperty" xlink:label="loc_XPLProceedsFromSaleOfMineralProperty" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_XPLProceedsFromSaleOfMineralProperty" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="loc_XPLProceedsFromSaleAndMaturityOfMarketableSecurities" />
      <link:calculationArc order="500" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_XPLProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfOtherAssets" xlink:label="loc_XPLProceedsFromSaleOfOtherAssets" />
      <link:calculationArc order="600" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_XPLProceedsFromSaleOfOtherAssets" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_XPLNetCashProvidedByUsedInFinancingActivities" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromShortTermDebt" xlink:label="loc_XPLProceedsFromShortTermDebt" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLProceedsFromShortTermDebt" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfShortTermDebt" xlink:label="loc_XPLRepaymentsOfShortTermDebt" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLRepaymentsOfShortTermDebt" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_XPLRepaymentsOfLongTermDebt" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLRepaymentsOfLongTermDebt" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="loc_XPLProceedsFromIssuanceOfDebt" />
      <link:calculationArc order="400" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLProceedsFromIssuanceOfDebt" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="loc_XPLProceedsFromIssuanceOrSaleOfEquity" />
      <link:calculationArc order="500" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLProceedsFromIssuanceOrSaleOfEquity" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_XPLProceedsFromStockOptionsExercised" />
      <link:calculationArc order="600" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLProceedsFromStockOptionsExercised" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:label="loc_XPLPaymentsToAcquireAdditionalInterestInSubsidiaries" />
      <link:calculationArc order="700" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLPaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="loc_XPLProceedsFromMinorityShareholders" />
      <link:calculationArc order="800" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_XPLProceedsFromMinorityShareholders" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/StatementsOfCashFlowsParenthetical" xlink:title="0007 - Statement - Consolidated Statements of Cash Flows (Parenthetical)">
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ReclassificationOfStockOptionLiability" xlink:label="loc_XPLReclassificationOfStockOptionLiability" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_AccumDeficitForCashFlows" xlink:label="loc_XPLAccumDeficitForCashFlows" />
      <link:calculationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLReclassificationOfStockOptionLiability" xlink:to="loc_XPLAccumDeficitForCashFlows" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_ReclassificationToAPIC" xlink:label="loc_XPLReclassificationToAPIC" />
      <link:calculationArc order="200" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLReclassificationOfStockOptionLiability" xlink:to="loc_XPLReclassificationToAPIC" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="xpl-20121231.xsd#XPL_DefTaxesForCashFlows" xlink:label="loc_XPLDefTaxesForCashFlows" />
      <link:calculationArc order="300" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_XPLReclassificationOfStockOptionLiability" xlink:to="loc_XPLDefTaxesForCashFlows" xlink:type="arc" weight="-1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/StatementsOfShareholdersEquity" xlink:title="0008 - Statement - Consolidated Statements of Shareholders Equity" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/StatementsOfShareholdersEquityParenthetical" xlink:title="0009 - Statement - Consolidated Statements of Shareholders Equity (Parenthetical)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies" xlink:title="0010 - Disclosure - Business and Summary of Significant Accounting Policies" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/MineralProperties" xlink:title="0011 - Disclosure - Mineral Properties" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/ShortTermDebt" xlink:title="0012 - Disclosure - Short Term Debt" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/LongTermDebt" xlink:title="0013 - Disclosure - Long Term Debt" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/IncomeTaxes" xlink:title="0014 - Disclosure - Income Taxes" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/DerivativeInstruments" xlink:title="0015 - Disclosure - Derivative Instruments" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/FairValueOfFinancialInstruments" xlink:title="0016 - Disclosure - Fair Value of Financial Instruments" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/CommitmentsAndContingencies" xlink:title="0017 - Disclosure - Commitments and Contingencies" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/EmployeeStockCompensationPlans" xlink:title="0018 - Disclosure - Employee Stock Compensation Plans" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/ElyGoldInvestmentAndMt.HamiltonJointVenture" xlink:title="0019 - Disclosure - Ely Gold Investment and the Mt. Hamilton Joint Venture" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/RelatedPartyTransactions" xlink:title="0020 - Disclosure - Related Party Transactions" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SegmentReporting" xlink:title="0021 - Disclosure - Segment Reporting" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SubsequentEvent" xlink:title="0022 - Disclosure - Subsequent Event" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:title="0023 - Disclosure - Business and Summary of Significant Accounting Policies (Policies)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:title="0024 - Disclosure - Business and Summary of Significant Accounting Policies (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/MineralPropertiesTables" xlink:title="0025 - Disclosure - Mineral Properties (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/ShortTermDebtTables" xlink:title="0026 - Disclosure - Short Term Debt (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/LongTermDebtTables" xlink:title="0027 - Disclosure - Long Term Debt (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/IncomeTaxesTables" xlink:title="0028 - Disclosure - Income Taxes (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/DerivativeInstrumentsTables" xlink:title="0029 - Disclosure - Derivative Instruments (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/FairValueOfFinancialInstrumentsTables" xlink:title="0030 - Disclosure - Fair Value of Financial Instruments (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/EmployeeStockCompensationPlansTables" xlink:title="0031 - Disclosure - Employee Stock Compensation Plans (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SegmentReportingTables" xlink:title="0032 - Disclosure - Segment Reporting (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SubsequentEventTables" xlink:title="0033 - Disclosure - Subsequent Event (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-InvestmentInKinrossDetails" xlink:title="0034 - Disclosure - Business and Summary of Significant Accounting Policies - Investment in Kinross (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-SalesOfKinrossDetails" xlink:title="0035 - Disclosure - Business and Summary of Significant Accounting Policies - Sales of Kinross (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-MarketableSecuritiesDetails" xlink:title="0036 - Disclosure - Business and Summary of Significant Accounting Policies - Marketable Securities (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPolicies-ChangesInMarketableSecuritiesDetails" xlink:title="0037 - Disclosure - Business and Summary of Significant Accounting Policies - Changes in Marketable Securities (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/BusinessAndSummaryOfSignificantAccountingPoliciesDetailsNarrative" xlink:title="0038 - Disclosure - Business and Summary of Significant Accounting Policies (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/MineralProperties-InvestmentsInMineralPropertyDetails" xlink:title="0039 - Disclosure - Mineral Properties - Investments in Mineral property (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/MineralProperties-ExplorationExpenseDetails" xlink:title="0040 - Disclosure - Mineral Properties - Exploration Expense (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/MineralPropertiesDetailsNarrative" xlink:title="0041 - Disclosure - Mineral Properties (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/ShortTermDebt-ShortTermDebtDetails" xlink:title="0042 - Disclosure - Short Term Debt - Short Term Debt (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/ShortTermDebt-InterestExpenseShortTermDebtDetails" xlink:title="0043 - Disclosure - Short Term Debt - Interest Expense Short Term Debt (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/ShortTermDebtDetailsNarrative" xlink:title="0044 - Disclosure - Short Term Debt (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/LongTermDebt-DebtPaymentsDueAugustaDetails" xlink:title="0045 - Disclosure - Long Term Debt - Debt Payments Due Augusta (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/LongTermDebt-InterestExpenseRelatedToRmbLoanDetails" xlink:title="0046 - Disclosure - Long Term Debt - Interest Expense Related to RMB Loan (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/LongTermDebtDetailsNarrative" xlink:title="0047 - Disclosure - Long Term Debt (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/IncomeTaxes-IncomeTaxesUnitedStatesAndForeignDetails" xlink:title="0048 - Disclosure - Income Taxes - Income Taxes United States and Foreign (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/IncomeTaxes-IncomeTaxNetDeferredTaxAssetsAndLiabilitiesDetails" xlink:title="0049 - Disclosure - Income Taxes - Income Tax Net Deferred Tax Assets and Liabilities (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/IncomeTaxes-IncomeTaxesReconciliationOfFederalIncomeTaxesDetails" xlink:title="0050 - Disclosure - Income Taxes - Income Taxes Reconciliation of Federal Income Taxes (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/IncomeTaxesDetailsNarrative" xlink:title="0051 - Disclosure - Income Taxes (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/DerivativeInstruments-DerivativeInstrumentsLocationAndAmountDetails" xlink:title="0052 - Disclosure - Derivative Instruments - Derivative Instruments Location and Amount (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/DerivativeInstruments-DerivativeInstrumentsGainLossDetails" xlink:title="0053 - Disclosure - Derivative Instruments - Derivative Instruments Gain Loss (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/DerivativeInstrumentsDetailsNarrative" xlink:title="0054 - Disclosure - Derivative Instruments (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/FairValueOfFinancialInstruments-FairValueOfAssetsAndLiabilitiesByLevelDetails" xlink:title="0055 - Disclosure - Fair Value of Financial Instruments - Fair Value of Assets and Liabilities by Level (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/CommitmentsAndContingenciesDetailsNarrative" xlink:title="0056 - Disclosure - Commitments and Contingencies (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/EmployeeStockCompensationPlans-GrantDateFairValueDetails" xlink:title="0057 - Disclosure - Employee Stock Compensation Plans - Grant Date Fair Value (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/EmployeeStockCompensationPlans-StockOptionPlanActivityDetails" xlink:title="0058 - Disclosure - Employee Stock Compensation Plans - Stock Option Plan Activity (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/EmployeeStockCompensationPlansDetailsNarrative" xlink:title="0059 - Disclosure - Employee Stock Compensation Plans (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/ElyGoldInvestmentAndMt.HamiltonJointVentureDetailsNarrative" xlink:title="0060 - Disclosure - Ely Gold Investment and the Mt. Hamilton Joint Venture (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/RelatedPartyTransactionsDetailsNarrative" xlink:title="0061 - Disclosure - Related Party Transactions (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SegmentReporting-SegmentReportingInformationDetails" xlink:title="0062 - Disclosure - Segment Reporting - Segment Reporting Information (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SegmentReportingDetailsNarrative" xlink:title="0063 - Disclosure - Segment Reporting (Details Narrative)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SubsequentEvent-SubsequentEventExplorationCommitmentDetails" xlink:title="0064 - Disclosure - Subsequent Event - Subsequent Event Exploration Commitment (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://solitarioxr.com/role/SubsequentEventDetailsNarrative" xlink:title="0065 - Disclosure - Subsequent Event (Details Narrative)" />
</link:linkbase>
