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United States Bureau of Mines
Industry: 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 ...
A monoclinic mineral, Pb<sub>4</sub>Cu(CO<sub>3</sub>)(SO<sub>4</sub>)<sub>2</sub>(Cl,OH,O)<sub>3</sub>; pale green; finely granular; related to caledonite; at the Mammoth Mine, AZ.
Industry:Mining
A monoclinic mineral, Pb<sub>5</sub>Cl(AsO<sub>4</sub>)<sub>3</sub>; apatite group, with arsenate replaced by phosphate; pseudohexagonal; resinous; sp gr, 7.3; in oxidized zones of lead-ore deposits.
Industry:Mining
A monoclinic mineral, Pb<sub>5</sub>Cl(AsO<sub>4</sub>)<sub>3</sub>; apatite group, with arsenate replaced by phosphate; pseudohexagonal; resinous; sp gr, 7.3; in oxidized zones of lead-ore deposits.
Industry:Mining
A monoclinic mineral, Pb<sub>5</sub>Cl(AsO<sub>4</sub>)<sub>3</sub>; apatite group, with arsenate replaced by phosphate; pseudohexagonal; resinous; sp gr, 7.3; in oxidized zones of lead-ore deposits.
Industry:Mining
A monoclinic mineral, Pb<sub>5</sub>Cl(AsO<sub>4</sub>)<sub>3</sub>; apatite group, with arsenate replaced by phosphate; pseudohexagonal; resinous; sp gr, 7.3; in oxidized zones of lead-ore deposits.
Industry:Mining
A monoclinic mineral, Pb<sub>5</sub>Sb<sub>4</sub>S<sub>11</sub>; metallic; bluish-gray; massive.
Industry:Mining
A monoclinic mineral, Pb<sub>5</sub>Sb<sub>8</sub>S<sub>17</sub>; metallic black to lead-gray; forms stubby tablets; an uncommon associate of other lead sulfosalts in hydrothermal veins.
Industry:Mining
A monoclinic mineral, Pb<sub>9</sub>As<sub>13</sub>S<sub>28</sub>.
Industry:Mining
A monoclinic mineral, Pb<sub>9</sub>As<sub>13</sub>S<sub>28</sub>.
Industry:Mining
A monoclinic mineral, Pb<sub>9</sub>Bi<sub>12</sub>(S,Se)<sub>27</sub>; lead-gray; at Falun, Sweden.
Industry:Mining