- 行业: Mining
- Number of terms: 33118
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- 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 isometric mineral, NaAl(SO<sub>4</sub>)<sub>2</sub>.12H<sub>2</sub>O .
Industry:Mining
An isometric mineral, NaF ; soft; deep carmine; forms small crystals and grains in nepheline syenite; in Islands of Los, Guinea.
Industry:Mining
An isometric mineral, Ni<sub>3</sub>(CO<sub>3</sub>)(OH)<sub>4</sub>.4H<sub>2</sub>O ; emerald green; forms incrustations and compact masses in mafic and ultramafic rocks.
Industry:Mining
An isometric mineral, Ni<sub>3</sub>As ; in gray-white cubes at Radstadt, Salzburg, Austria.
Industry:Mining
An isometric mineral, NiAs<sub>2-3</sub>; isostructural with skutterudite; tin white; in intermediatetemperature hydrothermal veins, particularly in association with Co, Ni, Fe arsenides, sulfarsenides, and native silver.
Industry:Mining
An isometric mineral, NiAs<sub>2-3</sub>; isostructural with skutterudite; tin white; in intermediatetemperature hydrothermal veins, particularly in association with Co, Ni, Fe arsenides, sulfarsenides, and native silver.
Industry:Mining
An isometric mineral, NiAsS ; cobaltite group; massive; sp gr, 5.9 to 6.0; in sulfide veins intergrown with maucherite, nickeline, and chalcopyrite at the Garson and Falconbridge Mines, Sudbury, ON, Can.; with cobaltite and rammelsbergite in the silver-arsenide ores of Cobalt, ON, Can.; a source of nickel.
Industry:Mining
An isometric mineral, NiFe<sub>2</sub>O<sub>4</sub>; magnetite series of the spinel group; black with greenish tint; at Barberton, Transvaal, South Africa.
Industry:Mining
An isometric mineral, NiNi<sub>2</sub>S<sub>4</sub>; linnaeite group; easily confused with violarite.
Industry:Mining
