upload
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, MgFe<sub>3+</sub>(SO<sub>4</sub>)<sub>2</sub>(OH).7H<sub>2</sub>O ; reniform, botryoidal, or globular; hyacinth-red to orange; in secondary sulfate deposits capping sulfide ore deposits.
Industry:Mining
A monoclinic mineral, MgSO<sub>4</sub>.4H<sub>2</sub>O ; rozenite group. Named for the Starkey Mine, Madison County, MO.
Industry:Mining
A monoclinic mineral, MgSO<sub>4</sub>.4H<sub>2</sub>O ; rozenite group. Named for the Starkey Mine, Madison County, MO.
Industry:Mining
A monoclinic mineral, Mn<sub>2+</sub>Mn<sub>3+ 2</sub>(PO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.4H<sub>2</sub>O ; in pegmatites.
Industry:Mining
A monoclinic mineral, Mn<sub>2</sub>(Fe<sub>2+</sub>, Mg)<sub>5</sub>Si<sub>8</sub>O<sub>22</sub>(OH)<sub>2</sub>; amphibole group; has Fe<sub>2+</sub>/(Mg + Fe<sub>2+</sub>) &#61; 0.5 to 1.0 ; columnar or fibrous; at Dannemora, Sweden.
Industry:Mining
A monoclinic mineral, Mn<sub>4</sub>Mg(AsO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O ; forms reddish-brown rounded aggregates.
Industry:Mining
A monoclinic mineral, Mn<sub>5</sub>(PO<sub>4</sub>)<sub>2</sub>(PO<sub>3</sub>(OH))<sub>2</sub>.4H<sub>2</sub>O ; in pegmatites.
Industry:Mining
A monoclinic mineral, Mn<sub>5</sub>(SiO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>; humite group; dimorphous with ribbeite; in skarns.
Industry:Mining
A monoclinic mineral, Mn<sub>5</sub>Al(Si<sub>3</sub>Al)O<sub>10</sub>(OH)<sub>8</sub>; chlorite group; excellent cleavage with flexible laminae; commonly associated with manganese deposits.
Industry:Mining
A monoclinic mineral, Mn<sub>7</sub>(AsO<sub>4</sub>)<sub>2</sub>(OH)<sub>8</sub>; vitreous; resembles the axinites. Also spelled allaktit.
Industry:Mining