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14. Business Segments (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Properties, plants and equipment, net	$ 11,937,366	$ 12,186,848
United States Antimony
Properties, plants and equipment, net	1,648,758	1,631,100
Mexico Antimony
Properties, plants and equipment, net	8,244,499	8,800,820
Subtotal Antimony
Properties, plants and equipment, net	9,893,257	10,431,920
Precious Metals
Properties, plants and equipment, net	939,087	567,738
Zeolite
Properties, plants and equipment, net	$ 1,105,022	$ 1,187,190

X

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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