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United States Bureau of Mines
Industry: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
An isometric mineral, Cu<sub>26</sub>Fe<sub>4</sub>Ge<sub>4</sub>S<sub>32</sub>; associated with tennantite, sphalerite, enargite, pyrite, and bornite; at the Tsumeb Mine in Namibia.
Industry:Mining
An isometric mineral, Cu<sub>3</sub>(As,V)S<sub>4</sub>; forms a series with sulvanite.
Industry:Mining
An isometric mineral, Cu<sub>3</sub>(As,V)S<sub>4</sub>; forms a series with sulvanite.
Industry:Mining
An isometric mineral, Cu<sub>3</sub>VS<sub>4</sub>; forms a series with arsenosulvanite; bronze yellow; at Burra Burra, South Australia; and Mercur, UT.
Industry:Mining
An isometric mineral, Cu<sub>4</sub>Ag<sub>3</sub>Te<sub>4</sub>; pale blue; associated with hessite, petzite, sylvanite, altaite, rickardite, and pyrite at Bisbee, AZ.
Industry:Mining
An isometric mineral, Cu<sub>9</sub>S<sub>5</sub>; blue to black; in veins with chalcocite; a source of copper.
Industry:Mining
An isometric mineral, Cu<sub>9</sub>S<sub>5</sub>; blue to black; in veins with chalcocite; a source of copper.
Industry:Mining
An isometric mineral, Cu<sub>9</sub>S<sub>5</sub>; blue to black; in veins with chalcocite; a source of copper.
Industry:Mining
An isometric mineral, CuCl ; granular, massive; cubic cleavage; adamantine luster; an uncommon secondary mineral in copper deposits.
Industry:Mining
An isometric mineral, Fe<sub>2+</sub>Fe<sub>3+ 2</sub>S<sub>4</sub>; linaeite group; in minute grains and crystals in clays in the Kramer-Four Corners area, San Bernadino County, CA.
Industry:Mining