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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 ...
A blue dyestuff that turns red when treated by an acid and remains blue when treated by an alkali.
Industry:Mining
A blue feldspathoid, crystallizing in the cubic system, consisting essentially of silicate of aluminum and sodium with sodium sulfate, (Na,Ca)<sub>4-8</sub>Al<sub>6</sub>Si<sub>6</sub>(O,S)<sub>24</sub>(SO<sub>4</sub>,Cl)<sub>1-2</sub>. Also spelled haueynite.
Industry:Mining
A blue feldspathoid, crystallizing in the cubic system, consisting essentially of silicate of aluminum and sodium with sodium sulfate, (Na,Ca)<sub>4-8</sub>Al<sub>6</sub>Si<sub>6</sub>(O,S)<sub>24</sub>(SO<sub>4</sub>,Cl)<sub>1-2</sub>. Also spelled haueynite.
Industry:Mining
A blue feldspathoid, crystallizing in the cubic system, consisting essentially of silicate of aluminum and sodium with sodium sulfate, (Na,Ca)<sub>4-8</sub>Al<sub>6</sub>Si<sub>6</sub>(O,S)<sub>24</sub>(SO<sub>4</sub>,Cl)<sub>1-2</sub>. Also spelled haueynite.
Industry:Mining
A blue magnesian variety of gahnite used as a gem, from Sri Lanka.
Industry:Mining
A blue or green variety of scapolite.
Industry:Mining
A blue or green variety of turquoise.
Industry:Mining
A blue to gray-violet variety of amphibole; at Wermland, Sweden. Locally known as blue rhodonite.
Industry:Mining
A blue to gray-violet variety of amphibole; at Wermland, Sweden. Locally known as blue rhodonite.
Industry:Mining
A blue to green cuproan melanterite (Fe,Cu)SO<sub>4</sub>.7H<sub>2</sub>O .
Industry:Mining
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