- 行业: Mining
- Number of terms: 33118
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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 color designation. A faint trace of a hue that modifies another hue, as a blue with a tinge of green, i.e., blue tinged with green or, stated differently, very slightly greenishblue.
Industry:Mining
A colorless chloride of potassium and calcium, KCl.CaCl<sub>2</sub>. Intergrown with halite and tachyhydrite. Orthorhombic.
Industry:Mining
A colorless chloride of potassium and calcium, KCl.CaCl<sub>2</sub>. Intergrown with halite and tachyhydrite. Orthorhombic.
Industry:Mining
A colorless crystalline salt, C<sub>6</sub>H<sub>5</sub>N(NO)ONH<sub>4</sub>, that is a precipitant for copper and iron from solutions and is also used in the analysis of other metals, esp. of the uranium group. Used for separating iron and copper from other metals. Precipitates iron quantitatively from strongly acid solutions.
Industry:Mining
A colorless hydrous zinc phosphate, Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O , triclinic. Minute tabular or prismatic crystals; fan-shaped aggregates. From Broken Hill, Northern Rhodesia; Salmo, BC.
Industry:Mining
A colorless or white crystalline compound consisting of sodium chloride NaCl , occurring abundantly in nature as a solid mineral (halite), or in solution (constituting about 2.6% of seawater), or as a sedimentary deposit (such as in salt domes and beds or as a crust around the margin of a salt lake).
Industry:Mining
A colorless transparent quartz, such as is used for optical purposes.
Industry:Mining
