- 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 triclinic mineral, NiSbS ; cobaltite group; pseudocubic; metallic; steel-gray to silverwhite; in veins; a source of nickel.
Industry:Mining
A triclinic mineral, NiSbS ; cobaltite group; pseudocubic; metallic; steel-gray to silverwhite; in veins; a source of nickel.
Industry:Mining
A triclinic mineral, Pb(Ca,Mn)<sub>2</sub>Si<sub>3</sub>O<sub>9</sub>.
Industry:Mining
A triclinic mineral, Pb<sub>10</sub>Cu(CrO<sub>4</sub>)<sub>6</sub>(SiO<sub>4</sub>)<sub>2</sub>(F,OH)<sub>2</sub>; forms a series with hemihedrite in which zinc substitutes for copper; at the Sebarz Mine, northeast of Anarak, Iran.
Industry:Mining
A triclinic mineral, Pb<sub>2</sub>(UO<sub>2</sub>)(PO<sub>4</sub>)<sub>2</sub>.2H<sub>2</sub>O ; forms pale citron-yellow crusts, powders, and tiny laths; nonfluorescent; radioactive; a secondary mineral in uraniferous pegmatites and other uranium deposits.
Industry:Mining
A triclinic mineral, Pb<sub>4</sub>FeSn<sub>4</sub>Sb<sub>2</sub>S<sub>16</sub>; forms cylinders that separate under pressure into distinct shells or folia, or is massive; at Poopo, Bolivia.
Industry:Mining
A triclinic mineral, Pb<sub>6</sub>(Ag,Cu)<sub>2</sub>As<sub>4</sub>S<sub>13</sub>.
Industry:Mining
A triclinic mineral, PbU<sub>4</sub>O<sub>13</sub>.4H<sub>2</sub>O ; strongly radioactive; black; occurs embedded among fine needles of uranophane.
Industry:Mining
A triclinic mineral, Sb<sub>2</sub>S<sub>2</sub>O ; pseudomonoclinic; occurs as soft tufts of cherry-red capillary crystals with one perfect cleavage; an alteration product of stibnite.
Industry:Mining
