- المجال: 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 monoclinic mineral, K<sub>2</sub>Ca<sub>5</sub>(SO<sub>4</sub>)<sub>6</sub>.H<sub>2</sub>O ; forms small, tabular crystals with glauberite and minor halite in salt deposits at Ischl, Austria.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Ca<sub>5</sub>(SO<sub>4</sub>)<sub>6</sub>.H<sub>2</sub>O ; forms small, tabular crystals with glauberite and minor halite in salt deposits at Ischl, Austria.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Cu(SO<sub>4</sub>)<sub>2</sub>.6H<sub>2</sub>O ; picomerite group; a clear-blue alteration product from Mt. Vesuvius, Italy.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Mg(SO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O ; in marine evaporite deposits.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Mg(SO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O ; in marine evaporite deposits.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Mg<sub>6</sub>(Si<sub>6</sub>Al<sub>2</sub>O<sub>20</sub>)(F,OH)<sub>4</sub>; a magnesium-rich end-member of the biotite crystal solution series; mica group; pseudohexagonal with perfect basal cleavage; occurs in crystalline limestones as a product of dedolomitization, in potassium2310 rich ultramafic rocks, as an alteration mineral in sulfur-rich hydrothermal assemblages, and in kimberlites.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Mg<sub>6</sub>(Si<sub>6</sub>Al<sub>2</sub>O<sub>20</sub>)(F,OH)<sub>4</sub>; a magnesium-rich end-member of the biotite crystal solution series; mica group; pseudohexagonal with perfect basal cleavage; occurs in crystalline limestones as a product of dedolomitization, in potassium2310 rich ultramafic rocks, as an alteration mineral in sulfur-rich hydrothermal assemblages, and in kimberlites.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Mg<sub>6</sub>(Si<sub>6</sub>Al<sub>2</sub>O<sub>20</sub>)(F,OH)<sub>4</sub>; a magnesium-rich end-member of the biotite crystal solution series; mica group; pseudohexagonal with perfect basal cleavage; occurs in crystalline limestones as a product of dedolomitization, in potassium2310 rich ultramafic rocks, as an alteration mineral in sulfur-rich hydrothermal assemblages, and in kimberlites.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>Mg<sub>6</sub>(Si<sub>6</sub>Al<sub>2</sub>O<sub>20</sub>)(F,OH)<sub>4</sub>; a magnesium-rich end-member of the biotite crystal solution series; mica group; pseudohexagonal with perfect basal cleavage; occurs in crystalline limestones as a product of dedolomitization, in potassium2310 rich ultramafic rocks, as an alteration mineral in sulfur-rich hydrothermal assemblages, and in kimberlites.
Industry:Mining
A monoclinic mineral, K<sub>2</sub>SO<sub>4</sub>.6KHSO<sub>4</sub>(?) ; in silky white fibers at Cape Miseno, Italy. (Not mizzonite.)
Industry:Mining
