- Industria: 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 ...
A former name for cubanite, an orthorhombic mineral, CuFe<sub>2</sub>S<sub>3</sub>; dimorphous with isocubanite. Formerly called chalmersite.
Industry:Mining
A former name for eulytite, an isometric mineral, Bi<sub>4</sub>(SiO<sub>4</sub>)<sub>3</sub>; vitreous, transparent to translucent tetrahedral crystals associated with native bismuth near Schneeberg, Saxony, Germany.
Industry:Mining
A former name for hohmannite, Fe<sub>+3 2</sub>(SO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.7H<sub>2</sub>O .
Industry:Mining
A former name for iridosmine, a natural alloy of iridium and osmium, (Ir,Os). Analyses show 43% to 77% iridium, 17% to 49% osmium, and a little rhodium, ruthenium, platinum, iron, and copper.
Industry:Mining
A former name for iron-rich cordierite that may have been the navigation stone of the Vikings; reveals maximum light polarization in the southern sky.
Industry:Mining
A former name for kyanite, a triclinic mineral, 4(Al<sub>2</sub>SiO<sub>5</sub>) ; trimorphous with andalusite and sillimanite; in blades that are distinctly harder across than along; a common rock-forming mineral in schist and gneiss.
Industry:Mining
A former name for maghemite, isometric Fe<sub>2</sub>O<sub>3</sub>; also called ferromagnetic ferric oxide.
Industry:Mining
