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Corundum

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FRN102197

Corundum

Description Tabs

Description
Locality: 
Jiuquan, Gansu Province, China (Peoples Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 1.6 × 2.1 cm
Description

Well formed and lustrous crystal of corundum on the matrix.

Mineral Data
What's on the rock

Corundum

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