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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 tetragonal mineral, BaTi<sub>6</sub>Cr<sub>2</sub>O<sub>16</sub>.H<sub>2</sub>O ; cryptomelane group. Formerly called chromrutile.
Industry:Mining
A tetragonal mineral, Bi<sub>2</sub>(CO<sub>3</sub>)O<sub>2</sub>; earthy or amorphous.
Industry:Mining
A tetragonal mineral, Bi<sub>2</sub>(CO<sub>3</sub>)O<sub>2</sub>; earthy or amorphous.
Industry:Mining
A tetragonal mineral, BiOCl .
Industry:Mining
A tetragonal mineral, BiOF ; at Sherlova Gory, East Transbaikal, Russia.
Industry:Mining
A tetragonal mineral, Ca(C<sub>2</sub>O<sub>4</sub>).2H<sub>2</sub>O ; in mud at the bottom of the Weddell Sea, Antarctica; also as urinary calculi. Compare: whewellite
Industry:Mining
A tetragonal mineral, Ca(UO<sub>2</sub>)(AsO<sub>4</sub>)<sub>2</sub>.8H<sub>2</sub>O; meta-autunite group.
Industry:Mining
A tetragonal mineral, Ca(VO)<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>.5H<sub>2</sub>O ; a vanadium analog of the meta-autunite group; green; a source of vanadium.
Industry:Mining
A tetragonal mineral, Ca<sub>2</sub>(Be,Al)Si<sub>2</sub>O<sub>7</sub>(OH).H<sub>2</sub>O ; in colorless crystals in Sweden.
Industry:Mining
A tetragonal mineral, Ca<sub>2</sub>Al(AlSi)O<sub>7</sub>; melilite group; forms a series with akermanite; a common constituent of feldspathoidal rocks formed by reaction of mafic magmas with carbonate rocks.
Industry:Mining
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