- المجال: 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, (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
A mineral, (UO<sub>2</sub>)<sub>6</sub>(SO<sub>4</sub>)(OH)<sub>10</sub>.5H<sub>2</sub>O; radioactive.
Industry:Mining
A mineral, Al<sub>4</sub>(SO<sub>4</sub>)(OH)<sub>10</sub>.5H<sub>2</sub>O ; in veinlets lining crevices in ironstone. Compare: felsoebanyaite
Industry:Mining
A mineral, Ca(UO<sub>2</sub>)<sub>2</sub>V<sub>10</sub>O<sub>28</sub>.16H<sub>2</sub>O ; radioactive; purple- black; sandstone impregnation on the Colorado Plateau.
Industry:Mining
A mineral, Ca<sub>10</sub>Mg<sub>2</sub>Al<sub>4</sub>(SiO<sub>4</sub>)<sub>5</sub>(Si<sub>2</sub>O<sub>7</sub>)<sub>2</sub>(OH)<sub>4</sub>. Tetragonal. Common in contactmetamorphosed limestones. A massive light green variety is known as californite.
Industry:Mining
A mineral, Ca<sub>10</sub>Mg<sub>2</sub>Al<sub>4</sub>(SiO<sub>4</sub>)<sub>5</sub>(Si<sub>2</sub>O<sub>7</sub>)<sub>2</sub>(OH)<sub>4</sub>. Tetragonal. Common in contactmetamorphosed limestones. A massive light green variety is known as californite.
Industry:Mining
A mineral, Ca<sub>1-2</sub>(Ti,Zr,Nb)<sub>5</sub>O<sub>12</sub>.9H<sub>2</sub>O(?) ; amorphous, yellowish-brown.
Industry:Mining
A mineral, Ca<sub>3</sub>(C<sub>6</sub>H<sub>5</sub>O<sub>7</sub>)<sub>2</sub>.4H<sub>2</sub>O ; forms as fine-grained nodules in sediments under the Weddell Sea off the Atlantic coast of Antarctica.
Industry:Mining
