Mineral mining

Mineral mining

The extraction of valuable minerals or other geological materials from the earth for economic interests.

Industry: Mining

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Mineral mining

temiskamite

Mining; General mining

A tetragonal mineral, Ni 11 As 8 ; forms tabular crystals; occurs in nickel-cobalt-nativesilver ore deposits.

retgersite

Mining; General mining

A tetragonal mineral, NiSO 4 .6H 2 O ; dimorphous with nickelhexahydrite; blue green; associated with morenosite, the septehydrate.

minium

Mining; General mining

A tetragonal mineral, Pb 3 O 4 ; red; an alteration product of galena or cerussite.

red lead

Mining; General mining

A tetragonal mineral, Pb 3 O 4 ; red; an alteration product of galena or cerussite.

pseudoboleite

Mining; General mining

A tetragonal mineral, Pb 5 Cu 4 Cl 10 (OH) 8 .2H 2 O ; indigo blue; occurs only in parallel growth on boleite, at Boleo, Baja California, Mex. Also spelled pseudoboleite.

ecdemite

Mining; General mining

A tetragonal mineral, Pb 6 As 2 O 7 Cl 4 .

wulfenite

Mining; General mining

A tetragonal mineral, PbMoO 4 ; prismatic cleavage; soft; resinous; yellow to brown; sp gr, 6.5 to 7.0; in oxidized zones of lead-molybdenum veins; a source of molybdenum.