Corundum

Artifact (mineral) uoadl:141620 459 Read counter

Call number:
Oxides
D9 (35)
Classification:
Oxides
Name:
Corundum
Translated title:
Corundum
Place of origin:
Miask/Orenburg, ex. U.S.S.R.
Depositional environment:
Contact and regionally metamorphosed rocks.Silica-poor rocks, such as Nepheline-Syenites, alkali igneous undersaturated rocks, contact aureoles in altered aluminous shales, aluminous xenoliths in high temperature plutonic and hypabyssal rocks, metamorphosed bauxite deposits, and as a detrital material in sediments.
Description:
Contact and regionally metamorphosed rocks.Silica-poor rocks, such as Nepheline-Syenites, alkali igneous undersaturated rocks, contact aureoles in altered aluminous shales, aluminous xenoliths in high temperature plutonic and hypabyssal rocks, metamorphosed bauxite deposits, and as a detrital material in sediments.
Chemical formula:
Al2O3
Crystal system:
Trigonal
Crystal schema:
Hexagonal Scalenohedral

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