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United States Bureau of Mines
المجال: 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 triclinic mineral, K<sub>2</sub>Ca<sub>2</sub>Cu(SO<sub>4</sub>)<sub>4</sub>.2H<sub>2</sub>O ; pseudo-orthorhombic; blue; at Chuquicamata, Chile.
Industry:Mining
A triclinic mineral, K<sub>2</sub>Ca<sub>2</sub>Mg(SO<sub>4</sub>)<sub>4</sub>.2H<sub>2</sub>O ; bitter tasting; varicolored; occurs in salt deposits in Texas, New Mexico, and Germany.
Industry:Mining
A triclinic mineral, K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>; forms minute orange-red balls in nitratine in Chile.
Industry:Mining
A triclinic mineral, K<sub>2</sub>ZrSi<sub>6</sub>O<sub>15</sub>; at Ascension Island in the Atlantic Ocean.
Industry:Mining
A triclinic mineral, KAlSi<sub>3</sub>O<sub>8</sub>; feldspar group; pseudomonoclinic; dimorphous with orthoclase; a major rock-forming mineral in granites, pegmatites, and metamorphic rocks; may be a detrital mineral in arkoses and graywackes. Compare: orthoclase
Industry:Mining
A triclinic mineral, LiAl(PO<sub>4</sub>)(OH<sub>1</sub>F) ; amblygonite group; perfect cleavage; occurs in granite pegmatites where it may be a source of lithium.
Industry:Mining
A triclinic mineral, LiFe(PO<sub>4</sub>)(OH) ; amblygonite group; forms green or yellow finegrained aggregates; in Brazil.
Industry:Mining
A triclinic mineral, MbB<sub>3</sub>O<sub>3</sub>(OH)<sub>5</sub>.5H<sub>2</sub>O ; dimorphous with inderite.
Industry:Mining
A triclinic mineral, MgAl<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.8H<sub>2</sub>O ; paravauxite group; in glassy lathshaped crystals in crusts with variscite; near Fairfield, UT.
Industry:Mining
A triclinic mineral, MgSO<sub>4</sub>.5H<sub>2</sub>O ; chalcanthite group; highly soluble. Formerly called allenite.
Industry:Mining