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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, Mn<sub>9</sub>Zn<sub>6</sub>Sb<sub>2</sub>Si<sub>4</sub>O<sub>28</sub>; forms brown crystals; at Franklin Furnace, NJ.
Industry:Mining
A triclinic mineral, MnFe<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.6H<sub>2</sub>O ; pseudomonoclinic; forms straw-yellow radiating fibers from the alteration of triphylite.
Industry:Mining
A triclinic mineral, MnFe<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.8H<sub>2</sub>O ; dimorphous with stewartite.
Industry:Mining
A triclinic mineral, MnSiO<sub>3</sub>; forms a series with pyroxferroite where iron replaces manganese; forms brown cleavable masses near Iva, SC; Homedale, ID; Sweden; and Scotland.
Industry:Mining
A triclinic mineral, Na(Mn,Ca)<sub>2</sub>Si<sub>3</sub>O<sub>8</sub>(OH) , with Mn replaced by Ca toward pectolite; pink.
Industry:Mining
A triclinic mineral, Na<sub>2</sub>(Nb,Ti)<sub>2</sub>Si<sub>2</sub>O<sub>9</sub>.nH<sub>2</sub>O ; forms soft, pearly white rectangular plates in curved folia in the Julianehaab district of Greenland and the Lovozero alkali massif, Kola Peninsula, Russia.
Industry:Mining
A triclinic mineral, Na<sub>2</sub>Ti<sub>2</sub>Si<sub>2</sub>O<sub>9</sub>.Na<sub>3</sub>PO<sub>4</sub>; in alkalic pegmatites and sodalite syenites; Kola Peninsula, Russia.
Industry:Mining
A triclinic mineral, Na<sub>2-2Dx</sub>H<sub>x</sub>ZrSi<sub>2</sub>O<sub>7</sub>.nH<sub>2</sub>O ; forms irregular grains in the Lovozero massif, Kola Peninsula, Russia.
Industry:Mining
A triclinic mineral, Na<sub>4</sub>B<sub>10</sub>O<sub>17</sub>.7H<sub>2</sub>O ; associated with kernite, borax, and tincalconite at the Tincalayu borax mine, Salta province, Argentina.
Industry:Mining
A triclinic mineral, Na<sub>5</sub>(CO<sub>3</sub>)(HCO<sub>3</sub>)<sub>3</sub>; forms fibrous aggregates of tiny acicular to bladed crystals; Green River formation, WY.
Industry:Mining