- Industri: 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 monoclinic mineral, Ca<sub>7</sub>Si<sub>6</sub>(CO<sub>3</sub>)O<sub>18</sub>.2H<sub>2</sub>O ; forms bundles of thin, colorless, tabular crystals at Scawt Hill, County Antrim, Ireland.
Industry:Mining
A monoclinic mineral, CaAl(OH)F<sub>4</sub>.H<sub>2</sub>O ; occurs with fluorite and barite in hydrothermally altered sedimentary and volcanic rocks.
Industry:Mining
A monoclinic mineral, CaAl<sub>2</sub>(F,OH)<sub>8</sub>; forms tabular crystals or granular masses.
Industry:Mining
A monoclinic mineral, CaAl<sub>2</sub>Si<sub>3</sub>O<sub>10</sub>.3H<sub>2</sub>O ; zeolite group; pseudotetragonal; fibrous to acicular; can show wormlike motion if heated; in cavities in basalt and hydrothermal veins.
Industry:Mining
A monoclinic mineral, CaAl<sub>2</sub>Si<sub>4</sub>O<sub>12</sub>.2H<sub>2</sub>O ; zeolite group; pseudocubic; colorless to white; in tuffaceous rocks in geothermal areas.
Industry:Mining
A monoclinic mineral, CaAl<sub>2</sub>Si<sub>6</sub>O<sub>16</sub>.4H<sub>2</sub>O ; zeolite group; colorless to white; in lowgrade metamorphosed tuffs near the Yugawara hot spring, Kanagawa, Japan.
Industry:Mining
A monoclinic mineral, CaB<sub>2</sub>O<sub>2</sub>(OH)<sub>4</sub>; dimorphous with vimsite; forms radiating fibrous aggregates; at a skarn deposit in the Turinsk area of the Urals, Russia.
Industry:Mining
A monoclinic mineral, CaB<sub>3</sub>O<sub>5</sub>(OH) ; colorless; fluoresces brownish-yellow under UV light; Mohs hardness, 6; associated with halite, anhydrite, and howlite in a rock-salt drill core at Rehden, Diepholz, Germany.
Industry:Mining
A monoclinic mineral, CaB<sub>6</sub>O<sub>9</sub>(OH)<sub>2</sub>.3H<sub>2</sub>O ; tabular or mammillary; transparent; formed by the weathering of colemanite and priceite in Death Valley, CA.
Industry:Mining
A monoclinic mineral, CaBSiO<sub>4</sub>(OH) ; gadolinite group; in cracks and cavities in diabase or basalt; may be used as a minor gem. Also spelled datholite.
Industry:Mining
