- 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 ...
A mineral, (Ag,Au)Te ; soft; heavy; gray-white; in tabular crystals with perfect cleavage; an ore mineral.
Industry:Mining
A mineral, (Cu,Sn,Zn)S, containing 30.36% copper, 25.25% tin, 11.16% zinc, and 23.40% sulfur. In quartz sulfide ore from Kester, Magadan, Yakutia, northeast Siberia, Russia. Named from locality.
Industry:Mining
A mineral, (Cu,Sn,Zn)S, containing 30.36% copper, 25.25% tin, 11.16% zinc, and 23.40% sulfur. In quartz sulfide ore from Kester, Magadan, Yakutia, northeast Siberia, Russia. Named from locality.
Industry:Mining
A mineral, (Cu,Sn,Zn)S, containing 30.36% copper, 25.25% tin, 11.16% zinc, and 23.40% sulfur. In quartz sulfide ore from Kester, Magadan, Yakutia, northeast Siberia, Russia. Named from locality.
Industry:Mining
A mineral, (Mg,Cu,Zn)SO<sub>4</sub>.5H<sub>2</sub>O , containing 5.60% ZnO, 9.40% MgO, 9.00% CuO, and 39.07% H<sub>2</sub>O ; from the Comstock Lode, NV.
Industry:Mining
A mineral, (Mg,Cu,Zn)SO<sub>4</sub>.5H<sub>2</sub>O , containing 5.60% ZnO, 9.40% MgO, 9.00% CuO, and 39.07% H<sub>2</sub>O ; from the Comstock Lode, NV.
Industry:Mining
A mineral, (Na,Ca)(Fe,Mn)Si<sub>2</sub>O<sub>6</sub>; brown to black; a variety of manganoan aegirine.
Industry:Mining
A mineral, (Na,Ca,Pb)<sub>2</sub>U<sub>2</sub>(O,OH)<sub>7</sub>; strongly radioactive; metamict; massive; dense; forms as an alteration product of uraninite.
Industry:Mining