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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 monoclinic mineral, Cu<sub>2</sub>Pb<sub>2</sub>(SeO<sub>3</sub>)(SeO<sub>4</sub>)(OH)<sub>4</sub>; light blue; at La Rioja, Argentina. Also spelled schmeiderite.
Industry:Mining
A monoclinic mineral, Cu<sub>3</sub>(AsO<sub>4</sub>)(OH)<sub>3</sub>; formerly called clinoclasite.
Industry:Mining
A monoclinic mineral, Cu<sub>3</sub>(AsO<sub>4</sub>)(OH)<sub>3</sub>; formerly called clinoclasite.
Industry:Mining
A monoclinic mineral, Cu<sub>3</sub>(MoO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>; green; in tabular crystals from Chuquicamata, Chile.
Industry:Mining
A monoclinic mineral, Cu<sub>3</sub>V<sub>2</sub>O<sub>7</sub>(OH)<sub>2</sub>.2H<sub>2</sub>O ; radioactive; has one perfect cleavage; dark olive to yellow-green; a secondary mineral with carnotite in sandstone.
Industry:Mining
A monoclinic mineral, Cu<sub>3</sub>V<sub>2</sub>O<sub>7</sub>(OH)<sub>2</sub>.2H<sub>2</sub>O ; radioactive; has one perfect cleavage; dark olive to yellow-green; a secondary mineral with carnotite in sandstone.
Industry:Mining
A monoclinic mineral, Cu<sub>31</sub>S<sub>16</sub>; X-ray pattern is similar to, but distinct from, chalcocite.
Industry:Mining
A monoclinic mineral, Cu<sub>4</sub>(SO<sub>4</sub>)(OH)<sub>6</sub>.2H<sub>2</sub>O ; in blue-green concretionary crusts; in Cornwall, U.K., and Stredoslovensky, Slovakia.
Industry:Mining
A monoclinic mineral, Cu<sub>5</sub>(AsO<sub>4</sub>)<sub>2</sub>(OH)<sub>4</sub>.H<sub>2</sub>O ; emerald-green; dehydrates to cornubite.
Industry:Mining
A monoclinic mineral, Cu<sub>5</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>4</sub>; trimorphous with ludjibaite and reichenbachite; dark green.
Industry:Mining
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