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United States Bureau of Mines
المجال: 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 variety of andalusite containing 6.91% Mn<sub>2</sub>O<sub>3</sub>. It differs from ordinary andalusite in its grass-green color and strong pleochroism. From Vestana, Sweden.
Industry:Mining
A variety of andalusite, resembling chiastolite, showing in cross section a maltese cross of pure material separated by areas of impure material.
Industry:Mining
A variety of antigorite containing some chromium.
Industry:Mining
A variety of apatite from Chile containing copper.
Industry:Mining
A variety of asbestos resembling wood.
Industry:Mining
A variety of asbestos that is compact, fibrous, and gray to brown in color, resembling wood.
Industry:Mining
A variety of asbestos that is compact, fibrous, and gray to brown in color, resembling wood.
Industry:Mining
A variety of asphalt.
Industry:Mining
A variety of asphaltic sandstone.
Industry:Mining
A variety of barite that gives off a fetid odor when rubbed or heated.
Industry:Mining