    <SEC-DOCUMENT>0001615774-17-001932-index.html : 20170428
    <SEC-HEADER>0001615774-17-001932.hdr.sgml : 20170428
    <ACCEPTANCE-DATETIME>20170428170533
    ACCESSION NUMBER:		0001615774-17-001932
    CONFORMED SUBMISSION TYPE:	424B3
    PUBLIC DOCUMENT COUNT:		6
    FILED AS OF DATE:		20170428
    DATE AS OF CHANGE:		20170428

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NIOCORP DEVELOPMENTS LTD
    		CENTRAL INDEX KEY:			0001512228
    		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			A1
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		424B3
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-217272
    		FILM NUMBER:		17796838

    	BUSINESS ADDRESS:
    		STREET 1:		7000 S. YOSEMITE STREET
    		STREET 2:		STE. 115
    		CITY:			CENTENNIAL
    		STATE:			CO
    		ZIP:			80112
    		BUSINESS PHONE:		720-639-4647

    	MAIL ADDRESS:
    		STREET 1:		7000 S. YOSEMITE STREET
    		STREET 2:		STE. 115
    		CITY:			CENTENNIAL
    		STATE:			CO
    		ZIP:			80112

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	QUANTUM RARE EARTH DEVELOPMENTS CORP.
    		DATE OF NAME CHANGE:	20110204
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>424B3
    <SEQUENCE>1
    <FILENAME>s105960_424b3.htm
    <DESCRIPTION>424B3
    <TEXT>
    Document 1 - file: s105960_424b3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>logo_424b3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: logo_424b3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>pg61img1_424b3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: pg61img1_424b3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>pg62img1_424b3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: pg62img1_424b3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>pg70img1_424b3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: pg70img1_424b3.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>backcover_424b3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: backcover_424b3.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>