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

silica rock

Mining; General mining

An industrial term for certain sandstones and quartzites that contain at least 95% silica (quartz). It is used as a raw material of glass and other products. Compare: silica sand

agate jasper

Mining; General mining

An impure variety of agate consisting of jasper with veins of chalcedony.

jaspagate

Mining; General mining

An impure variety of agate consisting of jasper with veins of chalcedony.

castillite

Mining; General mining

An impure variety of bornite, containing zinc, lead, and silver sulfides.

dillenburgite

Mining; General mining

An impure variety of chrysocolla containing copper carbonate.

tinder ore

Mining; General mining

An impure variety of jamesonite.

revdanskite

Mining; General mining

An impure, hydrous nickel silicate from Revda (Revdinsk), Ural Mountains, Russia. Also spelled revdinite, revdinskite, rewdinskit, rewdanskite; rewdjanskit, and refdanskite.