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United States Bureau of Mines
Industry: 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 isometric mineral, Ca<sub>3</sub>(Zr,Ti)<sub>2</sub>(Si,Al,Fe)<sub>3</sub>O<sub>12</sub>; garnet group.
Industry:Mining
An isometric mineral, Ca<sub>3</sub>Cr<sub>2</sub>Si<sub>3</sub>O<sub>12</sub>; garnet group; crystallizes in emerald green dodecahedra and trapezohedra; in serpentinite and in skarns. Also spelled ouvarovite or uwarowit.
Industry:Mining
An isometric mineral, Ca<sub>3</sub>Cr<sub>2</sub>Si<sub>3</sub>O<sub>12</sub>; garnet group; crystallizes in emerald green dodecahedra and trapezohedra; in serpentinite and in skarns. Also spelled ouvarovite or uwarowit.
Industry:Mining
An isometric mineral, Ca<sub>3</sub>Cr<sub>2</sub>Si<sub>3</sub>O<sub>12</sub>; garnet group; crystallizes in emerald green dodecahedra and trapezohedra; in serpentinite and in skarns. Also spelled ouvarovite or uwarowit.
Industry:Mining
An isometric mineral, Ca<sub>3</sub>Li<sub>2</sub>Be<sub>3</sub>(SiO<sub>4</sub>)<sub>3</sub>F<sub>2</sub>; occurs with taaffeite in metamorphosed limestone in Hunan Province, China.
Industry:Mining
An isometric mineral, Ca<sub>3</sub>Ti<sub>2</sub>(Fe<sub>2</sub>Si)O<sub>12</sub>, with Ti decreasing toward andradite in the garnet group.
Industry:Mining
An isometric mineral, CaF<sub>2</sub>; perfect octahedral cleavage; transparent to translucent; defines 4 on the Mohs hardness scale; in veins as a gangue mineral; in carbonate rocks; an accessory in igneous rocks.
Industry:Mining
An isometric mineral, CaF<sub>2</sub>; perfect octahedral cleavage; transparent to translucent; defines 4 on the Mohs hardness scale; in veins as a gangue mineral; in carbonate rocks; an accessory in igneous rocks.
Industry:Mining
An isometric mineral, CaF<sub>2</sub>; perfect octahedral cleavage; transparent to translucent; defines 4 on the Mohs hardness scale; in veins as a gangue mineral; in carbonate rocks; an accessory in igneous rocks.
Industry:Mining
An isometric mineral, CaF<sub>2</sub>; perfect octahedral cleavage; transparent to translucent; defines 4 on the Mohs hardness scale; in veins as a gangue mineral; in carbonate rocks; an accessory in igneous rocks.
Industry:Mining