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United States Bureau of Mines
المجال: 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 trigonal mineral, Cu<sub>18</sub>Al<sub>2</sub>(AsO<sub>4</sub>)<sub>3</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>27</sub>.33H<sub>2</sub>O ; green; forms tabular crystals and foliated masses.
Industry:Mining
A trigonal mineral, Cu<sub>2</sub>(OH)<sub>3</sub>Cl ; forms twinned rhombohedra; massive or powdery; green to green-black; a secondary mineral in copper deposits.
Industry:Mining
A trigonal mineral, Cu<sub>6</sub>Al(SO<sub>4</sub>)(OH)<sub>12</sub>Cl.3H<sub>2</sub>O ; soft; vitreous; dark green; in Cochise County, AZ.
Industry:Mining
A trigonal mineral, CuFeO<sub>2</sub>; in the oxidized zone of copper deposits.
Industry:Mining
A trigonal mineral, CuMn<sub>14</sub>Fe(AsO<sub>3</sub>)<sub>5</sub>(SiO<sub>4</sub>)<sub>2</sub>(AsO<sub>4</sub>)(OH)<sub>6</sub>; forms nearly black aggregates of thin folia; at Laangban, Sweden.
Industry:Mining
A trigonal mineral, CuSiO<sub>2</sub>(OH)<sub>2</sub>; emerald green; in the oxidized zones of copper deposits; a source of copper.
Industry:Mining
A trigonal mineral, CuSiO<sub>2</sub>(OH)<sub>2</sub>; emerald green; in the oxidized zones of copper deposits; a source of copper.
Industry:Mining
A trigonal mineral, CuSiO<sub>2</sub>(OH)<sub>2</sub>; emerald green; in the oxidized zones of copper deposits; a source of copper.
Industry:Mining
A trigonal mineral, Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>.9H<sub>2</sub>O ; dimorphous with paracoquimbite.
Industry:Mining
A trigonal mineral, Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>.9H<sub>2</sub>O ; dimorphous with paracoquimbite.
Industry:Mining