- Отрасли: Mining
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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 former name for bromargyrite, an isometric mineral, 4(AgBr) ; yellow, in surface oxidation deposits of silver ores in arid climates. Formerly called bromyrite.
Industry:Mining
A former name for cadmian metacinnabar. Metacinnabar is an isometric mineral, HgS ; forms black tetrahedra; sp gr, 7.7; a source of mercury.
Industry:Mining
A former name for celadonite, the mineral monoclinic K(Mg,Fe)(Fe,Al)Si<sub>4</sub>O<sub>10</sub>(OH)<sub>2</sub>; mica group; soft; green or gray-green; earthy; generally occurs in cavities in basaltic rocks. Formerly called kmaite. See: celadonite.
Industry:Mining
A former name for chalcanthite, a triclinic mineral 2(CuSO<sub>4</sub>.5H<sub>2</sub>O) ; azure blue; metallic taste; occurs in the oxidized supergene zone above copper sulfides in arid regions; a minor ore of copper. Also spelled cyanose.
Industry:Mining
A former name for chromian spinel, (Mg,Fe)(Al,Cr)<sub>2</sub>O<sub>4</sub>.
Industry:Mining
A former name for clintonite, a monoclinic mineral, Ca(Mg,Al)<sub>3</sub>(Al<sub>3</sub>Si)O<sub>10</sub>(OH)<sub>2</sub>; mica group.
Industry:Mining
A former name for connellite, a hexagonal mineral, Cu<sub>19</sub>Cl<sub>4</sub>(SO<sub>4</sub>)(OH)<sub>32</sub>.3H<sub>2</sub>O ; having SO<sub>4</sub>replaced by NO<sub>3</sub>toward buttgenbachkite; deep blue; formerly also known as footeite. Also spelled caeruleofibrite.
Industry:Mining
A former name for cubanite, an orthorhombic mineral, CuFe<sub>2</sub>S<sub>3</sub>; dimorphous with isocubanite.
Industry:Mining
