- 行业: 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 ...
An orthorhombic mineral, 4(PbCuSbS<sub>3</sub>) ; shows wheel-shaped twin crystals; a source of lead, copper, and antimony.
Industry:Mining
An orthorhombic mineral, 4(PbCuSbS<sub>3</sub>) ; shows wheel-shaped twin crystals; a source of lead, copper, and antimony.
Industry:Mining
An orthorhombic mineral, 4(PbCuSbS<sub>3</sub>) ; shows wheel-shaped twin crystals; a source of lead, copper, and antimony.
Industry:Mining
An orthorhombic mineral, 4(PbCuSbS<sub>3</sub>) ; shows wheel-shaped twin crystals; a source of lead, copper, and antimony.
Industry:Mining
An orthorhombic mineral, 4(PbSO<sub>4</sub>) ; sp gr, 6.2 to 6.4; in the supergene parts of lead-ore veins; a minor ore of lead. Formerly called lead vitriol, lead spar.
Industry:Mining
An orthorhombic mineral, 4(SrCO<sub>3</sub>) ; aragonite group; in hydrothermal veins associated with limestones, less commonly with eruptive rocks in California, New York, Washington, Germany, and Mexico; a source of strontium.
Industry:Mining
An orthorhombic mineral, 4(SrCO<sub>3</sub>) ; aragonite group; in hydrothermal veins associated with limestones, less commonly with eruptive rocks in California, New York, Washington, Germany, and Mexico; a source of strontium.
Industry:Mining
An orthorhombic mineral, 4(SrSO<sub>4</sub>) ; barite group; disseminated through limestone and sandstone; a source of strontium.
Industry:Mining
An orthorhombic mineral, 4(SrSO<sub>4</sub>) ; barite group; disseminated through limestone and sandstone; a source of strontium.
Industry:Mining
An orthorhombic mineral, 8(Be<sub>2</sub>(BO<sub>3</sub>)(OH)) ; in alkali pegmatites and in placers.
Industry:Mining
