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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 ...
An orthorhombic mineral, NaMgF<sub>3</sub>; insoluble; forms rounded grains or pseudooctahedral crystals; associated with dolomite and quartz in oil shale within the Green River Formation, UT.
Industry:Mining
An orthorhombic mineral, NiAs<sub>2</sub>; loellingite group; trimorphous with rammelsbergite and krutovite; metallic tin-white; commonly massive.
Industry:Mining
An orthorhombic mineral, NiSO<sub>4</sub>.7H<sub>2</sub>O ; may contain appreciable magnesium; applegreen; in secondary incrustations from the oxidation of nickel-bearing sulfides.
Industry:Mining
An orthorhombic mineral, NiSO<sub>4</sub>.7H<sub>2</sub>O ; may contain appreciable magnesium; applegreen; in secondary incrustations from the oxidation of nickel-bearing sulfides.
Industry:Mining
An orthorhombic mineral, Pb(UO<sub>2</sub>)<sub>4</sub>(OH)<sub>9</sub>.2H<sub>2</sub>O ; radioactive; forms small, amberorange pseudohexagonal crystals, commonly barrel shaped; at Katanga, Congo.
Industry:Mining
An orthorhombic mineral, Pb(UO<sub>2</sub>)<sub>4</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>4</sub>.7H<sub>2</sub>O that may be the mineral dewindtite; at Kasolo, Zaire.
Industry:Mining
An orthorhombic mineral, Pb<sub>13</sub>(Cu,Ag)(Bi,Sb)<sub>9</sub>S<sub>28</sub>(?); forms soft, metallic, needles on galena associated with pyrite, rutile, and tennantite; near Giessen in the Binn valley, Valais, Switzerland.
Industry:Mining
An orthorhombic mineral, Pb<sub>13</sub>CuSb<sub>7</sub>S<sub>24</sub>; forms slender prismatic blackish lead-gray crystals.
Industry:Mining
An orthorhombic mineral, Pb<sub>2</sub>Bi<sub>2</sub>S<sub>5</sub>; a source of bismuth.
Industry:Mining
An orthorhombic mineral, Pb<sub>2</sub>Fe<sub>2</sub>Si<sub>2</sub>O<sub>9</sub>; forms a series with kentrolite.
Industry:Mining
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