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Corundum

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SHS910519

Corundum

Description Tabs

Description
Locality: 
Ilmen Mountains, Chelyabinsk Oblast, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 3.7 × 4.5 cm
Description

Nice piece of corundum

Mineral Data
What's on the rock

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
9.0
Streak: 
White