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United States Bureau of Mines
Industri: 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 fossil resin from Vendee, France.
Industry:Mining
A variety of fossil resin.
Industry:Mining
A variety of galena in which part of the lead is replaced by zinc.
Industry:Mining
A variety of galena with part of the lead replaced with antimony and arsenic.
Industry:Mining
A variety of ganister characterized by fine carbonaceous streaks or markings; so called from the likeness of these to pencil lines. The carbonaceous traces are often recognizable as roots and rootlets of plants.
Industry:Mining
A variety of garnet containing a small amount of yttrium earths.
Industry:Mining
A variety of garnet containing a small amount of yttrium earths.
Industry:Mining
A variety of globular or botryoidal opal that shows greenish-yellow fluorescence under ultraviolet light and can be mistaken for uranium-bearing minerals such as autunite.
Industry:Mining
A variety of globular or botryoidal opal that shows greenish-yellow fluorescence under ultraviolet light and can be mistaken for uranium-bearing minerals such as autunite.
Industry:Mining
A variety of globular or botryoidal opal that shows greenish-yellow fluorescence under ultraviolet light and can be mistaken for uranium-bearing minerals such as autunite.
Industry:Mining
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