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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 triclinic mineral, Fe<sub>4</sub>(AsO<sub>4</sub>)<sub>2</sub>O<sub>3</sub>; brownish-black, encrusted on andesite in northwestern Argentina.
Industry:Mining
A triclinic mineral, Fe<sub>5</sub>(SO<sub>4</sub>)<sub>6</sub>(OH)<sub>2</sub>.20H<sub>2</sub>O ; copiapite group.
Industry:Mining
A triclinic mineral, FeAl<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.6H<sub>2</sub>O ; less hydrous than metavauxite or paravauxite; blue.
Industry:Mining
A triclinic mineral, FeAl<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.8H<sub>2</sub>O ; colorless; forms small prismatic crystals; at Llallagua, Bolivia.
Industry:Mining
A triclinic mineral, FeAl<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>3</sub>.7H<sub>2</sub>O ; paravauxite group.
Industry:Mining
A triclinic mineral, FeSO<sub>4</sub>.5H<sub>2</sub>O ; chalcanthite group; light green.
Industry:Mining
A triclinic mineral, H(NH<sub>4</sub>)Na(PO<sub>4</sub>).4H<sub>2</sub>O .
Industry:Mining
A triclinic mineral, H(NH<sub>4</sub>)Na(PO<sub>4</sub>).4H<sub>2</sub>O .
Industry:Mining
A triclinic mineral, H<sub>3</sub>BO<sub>3</sub>; forms small pearly scales as an incrustation, or as tabular crystals around fumaroles or vents of sulfurous emanations.
Industry:Mining
A triclinic mineral, H<sub>3</sub>BO<sub>3</sub>; forms small pearly scales as an incrustation, or as tabular crystals around fumaroles or vents of sulfurous emanations.
Industry:Mining