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Corundum

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CR1066817

Corundum

Classic Locality

Description Tabs

Description
Locality: 
Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 7 × 6 cm
Description

A huge single corundum crystal from Sri Lanka with a nice old label.

Mineral Data
What's on the rock

Corundum

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