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United States Bureau of Mines
Industry: 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 ...
An early name for bismutite, Cornwall, U.K.
Industry:Mining
An early name for both mica and selenite (gypsum).
Industry:Mining
An early name for fine silky asbestos, silicate minerals that separate readily into thin, strong fibers that are flexible, heat resistant, and chemically inert.
Industry:Mining
An early name for heliotrope, a red-spotted, deep-green variety of chalcedony (cryptocrystalline quartz) used as a semiprecious stone.
Industry:Mining
An early name for nickel-bearing marcasite.
Industry:Mining
An early name for prehnite, an orthorhombic mineral, Ca<sub>2</sub>Al<sub>2</sub>Si<sub>3</sub>O<sub>10</sub>(OH)<sub>2</sub>, in which Fe replaces Al; forms botryoidal or mammillary and radiating aggregates.
Industry:Mining
An early name for realgar, arsenic monosulfide, AsS, contains 70.1% elemental arsenic.
Industry:Mining
An early name for several minerals, including graphite and the softer manganese oxides.
Industry:Mining
An early name for siderite, a meteorite containing a small amount of metallic iron.
Industry:Mining
An early name for talc or steatite. Etymol: German "Speckstein", "bacon stone," alluding to its greasy feel.
Industry:Mining