- 行业: Mining
- Number of terms: 33118
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- 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 ...
An orthorhombic mineral, Mn<sub>2</sub>Cl(OH)<sub>3</sub>; forms minute emerald-green prismatic crystals; at Alum Rock Park, CA.
Industry:Mining
An orthorhombic mineral, Mn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>.3H<sub>2</sub>O ; forms a series with phosphoferrite; pink; at Redding, CT.
Industry:Mining
An orthorhombic mineral, Mn<sub>3</sub>(PO<sub>4</sub>)B(OH)<sub>6</sub>; pale- to wine-yellow; in the Chicagoan Mine, near Iron River, MI.
Industry:Mining
An orthorhombic mineral, Mn<sub>3</sub>B<sub>2</sub>O<sub>6</sub>; the manganese analog of kotoite; with other manganese minerals at the Kaso Mine, Kanuma, Tochigi Prefecture, Japan.
Industry:Mining
An orthorhombic mineral, Mn<sub>3</sub>B<sub>7</sub>O<sub>13</sub>Cl ; the manganese analogue of boracite; occurs in brines.
Industry:Mining
An orthorhombic mineral, Mn<sub>5</sub>(AsO<sub>4</sub>)<sub>2</sub>(OH)<sub>4</sub>; red, from Laangban, Sweden. Also spelled arsenoklasite.
Industry:Mining
An orthorhombic mineral, MnAl<sub>2</sub>Si<sub>2</sub>O<sub>6</sub>(OH)<sub>4</sub>; in yellow laths elongated in the c direction with prismatic cleavage at 68.5 degrees .
Industry:Mining
An orthorhombic mineral, MnFe<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.H<sub>2</sub>O ; an oxidation product of phosphoferrite; forms a series with garyansellite.
Industry:Mining
An orthorhombic mineral, MnO(OH) ; trimorphous with manganite and feitknechtite; in brilliant submetallic to adamantine wedge-shaped crystals in the banded iron formations of the Cuyuna Range, MN.
Industry:Mining
An orthorhombic mineral, MnO<sub>2</sub>; trimorphous with akhtenskite and pyrolusite.
Industry:Mining
