- Industry: Mining
- Number of terms: 33118
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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 (phthalimide), C<sub>6</sub>H<sub>4</sub>(CO)<sub>2</sub>NH ; results from burning waste at the Kladno coal basin, Czech Republic.
Industry:Mining
A monoclinic mineral (Zn,Fe)WO<sub>4</sub>; resembles wolframite; at San Martin, San Luis Province, Argentina.
Industry:Mining
A monoclinic mineral 2(K<sub>2</sub>(UO<sub>2</sub>)<sub>2</sub>(VO<sub>4</sub>)<sub>2</sub>.3H<sub>2</sub>O) ; bright yellow to lemon- and greenish-yellow; strongly radioactive; commonly occurs mixed with tyuyamunite; widespread in Colorado, Utah, New Mexico, and Arizona; occurs chiefly in crossbedded sandstones of Triassic or Jurassic age, either disseminated or as relatively pure masses around petrified or carbonized vegetal matter. Secondary in origin, having been formed from the action of meteoritic waters on preexisting uranium minerals; a source of uranium and radium.
Industry:Mining
A monoclinic mineral 2(K<sub>2</sub>(UO<sub>2</sub>)<sub>2</sub>(VO<sub>4</sub>)<sub>2</sub>.3H<sub>2</sub>O) ; bright yellow to lemon- and greenish-yellow; strongly radioactive; commonly occurs mixed with tyuyamunite; widespread in Colorado, Utah, New Mexico, and Arizona; occurs chiefly in crossbedded sandstones of Triassic or Jurassic age, either disseminated or as relatively pure masses around petrified or carbonized vegetal matter. Secondary in origin, having been formed from the action of meteoritic waters on preexisting uranium minerals; a source of uranium and radium.
Industry:Mining
A monoclinic mineral n-tetracosane C<sub>24</sub>H<sub>50</sub>; forms waxlike crystals in geodes in a vein cutting vesicular tuff, Evenki district, lower Tunguska River, Siberia, Russia.
Industry:Mining
A monoclinic mineral, (Ag,Cu)(Bi,Pb)<sub>3</sub>S<sub>5</sub>; at the Porvenir Mine, Bolivia. The synthetic phase, AgBi<sub>3</sub>S<sub>5</sub>, has the same X-ray pattern.
Industry:Mining
A monoclinic mineral, (Ag,Cu)<sub>16</sub>(As,Sb)<sub>2</sub>S<sub>11</sub>. Also spelled arsenopolybasite. Compare: antimonpearceite
Industry:Mining
A monoclinic mineral, (Ag,Cu)<sub>16</sub>(Sb,As)<sub>2</sub>S<sub>11</sub>. Compare: arsenpolybasite
Industry:Mining
A monoclinic mineral, (Ag,Cu)<sub>3</sub>(Bi,Pb)<sub>7</sub>S<sub>12</sub>.
Industry:Mining
