- 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 (Ce,Th)O<sub>2</sub>; forms minute greenish-yellow grains; named for its relationship to thorianite and uraninite.
Industry:Mining
An isometric mineral, (Ag,Cu,Fe)<sub>12</sub>(Sb,As)<sub>4</sub>S<sub>13</sub>; tetrahedrite group; forms series with argentotennantite and with tetrahedrite; occurs as tetrahedra; in Idaho, Colorado, Nevada, and Germany.
Industry:Mining
An isometric mineral, (Ca,Fe,Mn,Na)<sub>2</sub>(Sb,Ti)<sub>2</sub>O<sub>6</sub>(O,OH,F) ; stibiconite group; forms clusters of minute yellow octahedra.
Industry:Mining
An isometric mineral, (Ca,Fe,Mn,Na)<sub>2</sub>(Sb,Ti)<sub>2</sub>O<sub>6</sub>(O,OH,F) ; stibiconite group; forms clusters of minute yellow octahedra.
Industry:Mining
An isometric mineral, (Ca,Mn)S ; pale brown; occurs in some meteorites and slags; rapidly oxidizes in contact with air.
Industry:Mining
An isometric mineral, (Ca,Na)<sub>3</sub>(Mg,Mn)<sub>2</sub>(AsO<sub>4</sub>)<sub>3</sub>; commonly massive; bright yellow to orange-yellow.
Industry:Mining
An isometric mineral, (Ca,Na)<sub>3</sub>(Mg,Mn)<sub>2</sub>(AsO<sub>4</sub>)<sub>3</sub>; commonly massive; bright yellow to orange-yellow.
Industry:Mining
An isometric mineral, (Ca,Na)<sub>3</sub>(Mn,Mg)<sub>2</sub>(AsO<sub>4</sub>)<sub>3</sub>; forms a series with berzeliite and is yellow to orange.
Industry:Mining
An isometric mineral, (Ca,Na,U)<sub>2</sub>(Ti,Nb,Ta)<sub>2</sub>O<sub>6</sub>(OH); pyrochlore group; forms a series with pyrochlore; name assigned to members of the series having uranium greater than 15%; radioactive; in granitic pegmatites. Compare: uranpyrochlore
Industry:Mining
