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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, FeSe<sub>2</sub>; marcasite group; occurs with chalcopyrite and pyrite as a cement in sandstones in the Tuva, Siberia, Russia.
Industry:Mining
An orthorhombic mineral, HFe(SO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O ; forms colorless to gray rhombic plates; in Slovakia.
Industry:Mining
An orthorhombic mineral, K<sub>2</sub>(UO<sub>2</sub>)<sub>2</sub>Si<sub>6</sub>O<sub>15</sub>.4H<sub>2</sub>O ; resembles uranophane; in the Thomas range, Juab County, UT.
Industry:Mining
An orthorhombic mineral, K<sub>2</sub>(UO<sub>2</sub>)<sub>2</sub>Si<sub>6</sub>O<sub>15</sub>.4H<sub>2</sub>O ; resembles uranophane; in the Thomas range, Juab County, UT.
Industry:Mining
An orthorhombic mineral, K<sub>2</sub>CrO<sub>4</sub>; has the olivine structure; yellow.
Industry:Mining
An orthorhombic mineral, K<sub>2</sub>Cu(SO<sub>4</sub>)Cl<sub>2</sub>; occurs in bright-blue crystalline crusts on lava, an alteration product at Mt. Vesuvius, Italy.
Industry:Mining
An orthorhombic mineral, K<sub>2</sub>SO<sub>4</sub>.
Industry:Mining
An orthorhombic mineral, K<sub>3</sub>Na<sub>2</sub>Ca<sub>10</sub>Al<sub>15</sub>(PO<sub>4</sub>)<sub>21</sub>(OH)<sub>7</sub>.26H<sub>2</sub>O ; occurs with crandallite, wardite, and other phosphate minerals in variscite nodules at Fairfield, UT, and in the Tip Top pegmatite, SD.
Industry:Mining
An orthorhombic mineral, K<sub>4</sub>(UO<sub>2</sub>)<sub>6</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>10</sub>.4H<sub>2</sub>O ; radioactive; orange-yellow to bright yellow; an alteration product of uraninite occuring with gypsum, uranopilite, and limonite. Formerly called dauberite.
Industry:Mining
An orthorhombic mineral, KAl<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH,F).4H<sub>2</sub>O ; in phosphate rock in Western Australia and South Australia.
Industry:Mining
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