Industrial minerals 1997: Industrial garnet

From: Mining Engineering | Date: June 1, 1998| Author: | Copyright information

Garnet has many important industrial uses. It is a category of complex silicate minerals with similar crystalline structures and a variety of chemical compositions. The general chemical formula for garnet is A3B2(SiO4)3, where A can be calcium, magnesium, ferrous iron or manganese and B can be aluminum, chromium or ferric iron.

Garnet occurs worldwide in many rock types, principally gneisses and schists. Other sources include contact metamorphic rocks, crystalline limestones, pegmatites and serpentinites. Additionally, garnet is found in the gangue of veins formed at high temperatures. ...

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