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Of or pertaining to the process or business of extracting materials, such as ore or minerals, from the earth's crust.

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Mining > Minerals


Geology; Minerals

Perite is a mineral that has a general chemical formula of PbBiO 2 Cl. The name is given for its founder Per Adolf Geijer, a Swedish economic geologist with the Geological Survey ...


Geology; Minerals

Cahnite is a brittle white or colorless mineral that has perfect cleavage and is usually transparent. It usually forms tetragonal-shaped crystals and it has a hardness of 3 mohs. ...


Geology; Minerals

Nickel is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition ...


Geology; Minerals

Huntite is a carbonate mineral with the chemical formula Mg 3 Ca(CO 3 ) 4 . The earliest known reference to huntite is a paper by George Faust from 1953 in which the discovery of ...


Geology; Minerals

Prehnite is a phyllosilicate of calcium and aluminium with the formula: Ca 2 Al(AlSi 3 O 10 )(OH) 2 . Limited Fe 3+ substitutes for aluminium in the structure. Prehnite ...


Geology; Minerals

Christite is a mineral with the chemical formula TlHgAsS 3 . It is named after Dr. Charles L. Christ, a member of the U.S. Geological Survey. It usually comes in a crimson red or ...


Geology; Minerals

Fergusonite is a mineral comprising a complex oxide of various rare earth elements. The chemical formula of fergusonite species is (Y,RE)NbO 4 , where RE = rare-earth elements in ...