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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 barite, so called from the fetid odor it exhales when heated.
Industry:Mining
A variety of black bort from South Africa showing minute brilliant points possibly due to included diamonds. Compare: bort
Industry:Mining
A variety of brass made white by the addition of arsenic.
Industry:Mining
A variety of calcite containing a small amount of lead carbonate.
Industry:Mining
A variety of calcite containing some manganese.
Industry:Mining
A variety of calcite occurring in very thin plates or scales.
Industry:Mining
A variety of calcite that contains manganese carbonate and is closely related to rhodochrosite.
Industry:Mining
A variety of calcite that contains manganese carbonate and is closely related to rhodochrosite.
Industry:Mining
A variety of calcite that emits an offensive odor when dissolved in dilute hydrochloric acid. The odor is due to trace sulfides and other impurities. See: swinestone
Industry:Mining
A variety of celestite containing calcium.
Industry:Mining