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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, (NH<sub>4</sub>)MgPO<sub>4</sub>.6H<sub>2</sub>O ; soft; has one perfect and one good cleavage.
Industry:Mining
An orthorhombic mineral, (NH<sub>4</sub>,K)<sub>2</sub>FeCl<sub>5</sub>.H<sub>2</sub>O; forms red pseudo-octahedra around fumaroles in Sicily, Italy.
Industry:Mining
An orthorhombic mineral, (NH<sub>4</sub>,K)Na(SO<sub>4</sub>).2H<sub>2</sub>O ; occurs in bat guano.
Industry:Mining
An orthorhombic mineral, (Pb,Ca)U<sub>2</sub>O,.2H<sub>2</sub>O ; forms bright red crusts on fluorite; at Woelsendorf, Bavaria, Germany.
Industry:Mining
An orthorhombic mineral, (Pb,Sn)S ; perfect basal cleavage; soft; blackish gray; sp gr, 6.4; in veins; a source of lead and tin.
Industry:Mining
An orthorhombic mineral, (U,Ca,Ce)<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>.1-2H<sub>2</sub>O ; rhabdophane group; occurs in an unoxidized zone of the Ningyo-toge Mine, Tottori prefecture, Japan.
Industry:Mining
An orthorhombic mineral, (U,Fe,Y,Ca)(Nb,Ta)<sub>4</sub>(?) ; opaque black; at Ishikawa, Iwaki Province, Japan.
Industry:Mining
An orthorhombic mineral, (UO<sub>2</sub>)<sub>2</sub>SiO<sub>4</sub>.2H<sub>2</sub>O ; pale yellow; in pegmatites with malachite, in fissure fillings with curite and sklodowskite. Also spelled soddite.
Industry:Mining
An orthorhombic mineral, (UO<sub>2</sub>)<sub>6</sub>O<sub>2</sub>(OH)<sub>8</sub>.6H<sub>2</sub>O ; acicular with perfect basal cleavage; in cavities, as an alteration product of uraninite at Kasolo, Congo, and Wolsendorf, Bavaria.
Industry:Mining
An orthorhombic mineral, (V,Fe)O(OH) ; black; a primary mineral in sandstone-type uranium-vanadium ores associated with roscoelite, pitchblende, coffinite, and secondary uranium and vanadium minerals.
Industry:Mining
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