- 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 ...
An orthorhombic mineral, Pb<sub>2</sub>Mn<sub>2</sub>Si<sub>2</sub>O<sub>9</sub>; forms a series with melanotekite; massive or in sheaflike prismatic crystals; at Laangban and Nordmark, Sweden, and Sassari, Sardinia, Italy.
Industry:Mining
An orthorhombic mineral, Pb<sub>2</sub>U<sub>5</sub>O<sub>17</sub>.4H<sub>2</sub>O ; radioactive; orange-red; an alteration product of uraninite.
Industry:Mining
An orthorhombic mineral, Pb<sub>22</sub>Cu<sub>4</sub>(Bi,Sb)<sub>30</sub>S<sub>69</sub>; forms a series with tintinaite.
Industry:Mining
An orthorhombic mineral, Pb<sub>3</sub>(UO<sub>2</sub>)<sub>6</sub>H<sub>2</sub>(PO<sub>4</sub>)<sub>4</sub>O<sub>4</sub>.12H<sub>2</sub>O ; strongly radioactive; canary yellow; associated with torbernite and other secondary uranium minerals.
Industry:Mining
An orthorhombic mineral, Pb<sub>3</sub>Cl<sub>2</sub>O<sub>2</sub>; white; in the Mendip Hills, United Kingdom.
Industry:Mining
An orthorhombic mineral, Pb<sub>3</sub>Cu<sub>3</sub>Bi<sub>7</sub>S<sub>15</sub>. Also spelled lindstroemite.
Industry:Mining
An orthorhombic mineral, Pb<sub>4</sub>FeSb<sub>6</sub>S<sub>14</sub>; dimorphous with jamesonite; metallic; black; distinguished by its X-ray pattern.
Industry:Mining
An orthorhombic mineral, Pb<sub>5</sub>Cu<sub>2</sub>(CO<sub>3</sub>)(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>6</sub>; green (not to be confused with celadonite).
Industry:Mining
An orthorhombic mineral, Pb<sub>6</sub>Bi<sub>8</sub>(S,Se)<sub>18</sub>(?) ; differs from galenobismutite in possessing two distinct cleavages; steel-gray.
Industry:Mining
