- المجال: 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, Cu(OH,Cl)<sub>2</sub>.3H<sub>2</sub>O ; lavender colored; from the Centennial Mine in Calumet, MI. Compare: calumetite
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>(SO<sub>4</sub>)O ; brown; reported at Mt. Vesuvius. Also spelled dolerophane.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>(UO<sub>2</sub>)<sub>2</sub>V<sub>2</sub>O<sub>8</sub>.6H<sub>2</sub>O ; yellow-green.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>Al(AsO<sub>4</sub>)(OH)<sub>4</sub>.4H<sub>2</sub>O ; soft; blue to green; occurs with malachite in the oxidized zone of copper deposits.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>Al(AsO<sub>4</sub>)(OH)<sub>4</sub>.4H<sub>2</sub>O ; soft; blue to green; occurs with malachite in the oxidized zone of copper deposits.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>Cl(OH)<sub>3</sub>; trimorphous with atacamite and paratacamite.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>CO<sub>3</sub>(OH)<sub>2</sub>; dimorphous with georgeite; bright green; occurs with azurite in oxidized zones of copper deposits; a source of copper.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>CO<sub>3</sub>(OH)<sub>2</sub>; dimorphous with georgeite; bright green; occurs with azurite in oxidized zones of copper deposits; a source of copper.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>Fe<sub>2</sub>(AsO<sub>4</sub>)<sub>2</sub>(OH)<sub>4</sub>.H<sub>2</sub>O ; earthy to opaline; associated with olivenite in copper deposits.
Industry:Mining
A monoclinic mineral, Cu<sub>2</sub>Mg<sub>2</sub>(CO<sub>3</sub>)(OH)<sub>6</sub>.2H<sub>2</sub>O ; azure-blue.
Industry:Mining
