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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 mineral, Ca<sub>5</sub>H<sub>2</sub>Si<sub>6</sub>O<sub>18</sub>.6H<sub>2</sub>O(?) .
Industry:Mining
A mineral, CaB<sub>2</sub>O<sub>4</sub>.H<sub>2</sub>O ; in skarns with other calcium borate minerals.
Industry:Mining
A mineral, Cu<sub>4</sub><sup>2+</sup>Al<sub>2</sub>(SO<sub>4</sub>)(OH)<sub>12</sub>.2-4H<sub>2</sub>O ; greenish-blue; closely akin to cyanotrichite.
Industry:Mining
A mineral, Fe<sub>2</sub>(SO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.3H<sub>2</sub>O .
Industry:Mining
A mineral, FeO. Artificially prepared specimens are characteristically deficient in iron. Also spelled wustite.
Industry:Mining
A mineral, FeO. Artificially prepared specimens are characteristically deficient in iron. Also spelled wustite.
Industry:Mining
A mineral, Na<sub>2</sub>(Th,RE)(Mn,Ta,Fe)H<sub>2</sub>((Si,P)O<sub>4</sub>)<sub>3</sub>; metamict; dark brown to black.
Industry:Mining
A mineral, Pb(Bi,Sb)<sub>6</sub>S<sub>10</sub>; forms gray prismatic crystals in bismuth ore at the Ustarasaisk deposit in western Tyan-shan, Siberia.
Industry:Mining
A mineral, SrCe(CO<sub>3</sub>)<sub>2</sub>(OH).H<sub>2</sub>O ; in pegmatites.
Industry:Mining
A mineral, such as barite, that becomes phosphorescent when heated.
Industry:Mining
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