- 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 tetragonal mineral, Pb<sub>3</sub>O<sub>4</sub>; red; an alteration product of galena or cerussite.
Industry:Mining
A tetragonal mineral, Pb<sub>3</sub>O<sub>4</sub>; red; an alteration product of galena or cerussite.
Industry:Mining
A tetragonal mineral, Pb<sub>5</sub>Cu<sub>4</sub>Cl<sub>10</sub>(OH)<sub>8</sub>.2H<sub>2</sub>O ; indigo blue; occurs only in parallel growth on boleite, at Boleo, Baja California, Mex. Also spelled pseudoboleite.
Industry:Mining
A tetragonal mineral, Pb<sub>6</sub>As<sub>2</sub>O<sub>7</sub>Cl<sub>4</sub>.
Industry:Mining
A tetragonal mineral, PbMoO<sub>4</sub>; prismatic cleavage; soft; resinous; yellow to brown; sp gr, 6.5 to 7.0; in oxidized zones of lead-molybdenum veins; a source of molybdenum.
Industry:Mining
A tetragonal mineral, PbMoO<sub>4</sub>; prismatic cleavage; soft; resinous; yellow to brown; sp gr, 6.5 to 7.0; in oxidized zones of lead-molybdenum veins; a source of molybdenum.
Industry:Mining
A tetragonal mineral, TeO<sub>2</sub>; rutile group; soft; waxy; gray-white; dimorphous with tellurite; at Cananea, Mexico.
Industry:Mining
A tetragonal mineral, Th(SiO<sub>4</sub>)<sub>1-x</sub>(OH)<sub>4x</sub>; may contain up to 31% uranium; has zircon structure. Differs from thorite (1) in being secondary, formed by the alteration of primary thorium minerals including thorite itself; (2) in not being metamict but forming crystalline aggregates; and (3) in containing essential (OH).
Industry:Mining
A tetragonal mineral, Th(SiO<sub>4</sub>)<sub>1-x</sub>(OH)<sub>4x</sub>; may contain up to 31% uranium; has zircon structure. Differs from thorite (1) in being secondary, formed by the alteration of primary thorium minerals including thorite itself; (2) in not being metamict but forming crystalline aggregates; and (3) in containing essential (OH).
Industry:Mining
A tetragonal mineral, Th(SiO<sub>4</sub>)<sub>1-x</sub>(OH)<sub>4x</sub>; may contain up to 31% uranium; has zircon structure. Differs from thorite (1) in being secondary, formed by the alteration of primary thorium minerals including thorite itself; (2) in not being metamict but forming crystalline aggregates; and (3) in containing essential (OH).
Industry:Mining
