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United States Bureau of Mines
行业: 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 ...
A hexagonal mineral, CaCO<sub>3</sub>; trimorphous with calcite and aragonite; at Ballycraigy, Larne, Northern Ireland.
Industry:Mining
A hexagonal mineral, CdSe ; wurtzite structure; resinous to adamantine; black; perfect cleavage; forms fine xenomorphic disseminations cementing sandstone. Also spelled kadmoselite.
Industry:Mining
A hexagonal mineral, CoSe ; nickeline group; in trace amounts with clausthalite, trogtalite, and hastite in dolomite veinlets in the Trogtal quarries, Harz Mountains, Germany.
Industry:Mining
A hexagonal mineral, Cu<sub>19</sub>Cl<sub>4</sub>(NO<sub>3</sub>)<sub>2</sub>(OH)<sub>32</sub>.2H<sub>2</sub>O .
Industry:Mining
A hexagonal mineral, Cu<sub>19</sub>Cl<sub>4</sub>(SO<sub>4</sub>)(OH)<sub>32</sub>.3H<sub>2</sub>O ; having SO<sub>4</sub>replaced by NO<sub>3</sub>toward buttgenbachkite; deep blue; formerly known as footeite.
Industry:Mining
A hexagonal mineral, Cu<sub>3</sub>FeS<sub>4</sub>(?) ; soft; metallic copper red to brown; a decomposition product of bornite or chalcopyrite at the Ida Mine, Kahn, Namibia.
Industry:Mining
A hexagonal mineral, Cu<sub>5</sub>As<sub>2</sub>.
Industry:Mining
A hexagonal mineral, CuS ; metallic indigo blue with iridescent tarnish; soft; a supergene mineral in copper deposits; a source of copper.
Industry:Mining
A hexagonal mineral, CuS ; metallic indigo blue with iridescent tarnish; soft; a supergene mineral in copper deposits; a source of copper.
Industry:Mining
A hexagonal mineral, CuS ; metallic indigo blue with iridescent tarnish; soft; a supergene mineral in copper deposits; a source of copper.
Industry:Mining
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