- 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, C<sub>14</sub>H<sub>8</sub>O<sub>2</sub>; forms delicate yellow needles associated with chlorides and sulfur deposited by gases at a burning coalbed on Spitzbergen Island (anthraquinone).
Industry:Mining
An orthorhombic mineral, C<sub>20</sub>H<sub>32</sub>O<sub>2</sub>; soft; white; in modern resins and lignite at Montorio, Abruzzes, Italy. Also spelled reficite.
Industry:Mining
An orthorhombic mineral, Ca(UO<sub>2</sub>)<sub>2</sub>(VO<sub>4</sub>)<sub>2</sub>.8H<sub>2</sub>O ; soft; waxy; yellow; fluoresces yellow-green; in secondary encrustations in limestones, sandstones, or concentrated by organic matter; associated with malachite, ferghanite, turanite, barite, calcite, carnotite, and vanadium minerals; widely distributed in the Colorado Plateau area; source of uranium and vanadium. Formerly called calciocarnotite.
Industry:Mining
An orthorhombic mineral, Ca(UO<sub>2</sub>)<sub>2</sub>V<sub>2</sub>O<sub>8</sub>.3H<sub>2</sub>O ; yellow; radioactive; a secondary mineral.
Industry:Mining
An orthorhombic mineral, Ca(UO<sub>2</sub>)<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.6H<sub>2</sub>O ; radioactive; deep yellow; earthy or as crusts or tiny scales; associated with autunite and other secondary uranium minerals, esp. in pegmatites.
Industry:Mining
An orthorhombic mineral, Ca(UO<sub>2</sub>)<sub>6</sub>(CO<sub>3</sub>)<sub>5</sub>(OH)<sub>4</sub>.6H<sub>2</sub>O ; very radioactive; yellowgreen.
Industry:Mining
An orthorhombic mineral, Ca(UO<sub>2</sub>)<sub>6</sub>O<sub>4</sub>(OH)<sub>6</sub>.8H<sub>2</sub>O , with barium and potassium substitution for calcium; amber-yellow; a radioactive product of uraninite and ianthinite alteration.
Industry:Mining
An orthorhombic mineral, Ca<sub>2</sub>(UO<sub>2</sub>)(CO<sub>3</sub>)<sub>3</sub>.11H<sub>2</sub>O ; olive-green; forms soft, scaly, or granular crystalline aggregates with one cleavage.
Industry:Mining
An orthorhombic mineral, Ca<sub>2</sub>(UO<sub>2</sub>)(CO<sub>3</sub>)<sub>3</sub>.11H<sub>2</sub>O ; olive-green; forms soft, scaly, or granular crystalline aggregates with one cleavage.
Industry:Mining
An orthorhombic mineral, Ca<sub>2</sub>Al<sub>2</sub>Si<sub>3</sub>O<sub>10</sub>(OH)<sub>2</sub>, in which Fe replaces Al; forms botryoidal or mammillary and radiating aggregates. Occurs in: hydrothermal veins, cavities, and amygdules in basalt; veins in felsic plutonic rocks; and low-grade metamorphic rocks. Commonly associated with zeolites.
Industry:Mining
