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United States Bureau of Mines
行业: 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 ...
En tetragonal mineral, 4 (SnO <sub>2</sub>); rutil gruppe; Adamantine; rødbrun til sort; formularer prismatisk krystaller eller massive koncentriske fibrøse struktur (træ tin); SP gr, 7,03; opstår i venerne forbundet med granit og granit pegmatitten eller kendskab hertil (stream tin); en kilde af tin.
Industry:Mining
En tetragonal mineral, 4 (TiO <sub>2</sub>); trimorphous med rutil og brookite; Brown, greenishgray eller sort; i hydrotermiske vener omkring granit pegmatites, som en ændring af titanium minerals og detrital korn. Tidligere kaldet octahedrite.
Industry:Mining
En tetragonal mineral, Ag <sub>3</sub> CuS <sub>2</sub>; former intergrowths med argentite i bydelen Black Hawk, Grant County, NM.
Industry:Mining
En tetragonal mineral, Al <sub>2</sub> (C <sub>6</sub> (COO) <sub>6</sub>) .16H <sub>2</sub> O; harpiksholdige; honning gul; formularer knuder i brunkul. Også stavet pikrinsyre, mellilite. (Ikke melite.)
Industry:Mining
En tetragonal mineral, Al <sub>2</sub> (C <sub>6</sub> (COO) <sub>6</sub>) .16H <sub>2</sub> O; harpiksholdige; honning gul; formularer knuder i brunkul. Også stavet pikrinsyre, mellilite. (Ikke melite.)
Industry:Mining
En tetragonal mineral, Ba (UO <sub>2</sub>) <sub>2</sub> (AsO <sub>4</sub>) <sub>2</sub> .8H <sub>2</sub> O; meta-autunit-gruppen; gul; en sekundær mineral.
Industry:Mining
En tetragonal mineral, Ba (UO <sub>2</sub>) <sub>2</sub> (AsO <sub>4</sub>) <sub>2</sub> .8H <sub>2</sub> O; meta-autunit-gruppen; gul; en sekundær mineral.
Industry:Mining
En tetragonal mineral, Ba (UO <sub>2</sub>) <sub>2</sub> (AsO <sub>4</sub>) <sub>2</sub> .8H <sub>2</sub> O; meta-autunit-gruppen; gul; en sekundær mineral.
Industry:Mining
En tetragonal mineral, Ba (UO <sub>2</sub>) <sub>2</sub> (PO <sub>4</sub>) <sub>2</sub> .10H <sub>2</sub> O; autunit gruppe; gul-grøn.
Industry:Mining
En tetragonal mineral, Ba <sub>2</sub> selvmord <sub>2</sub> O <sub>8</sub>; gul med gule fluorescens; ligner idocrase.
Industry:Mining
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