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Corundum

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BOC560036

Corundum

José Luis Otero's collection

Description Tabs

Description
Locality: 
Ihosy, Ihorombe, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.5 × 2 cm
Largest Crystal: 
1.80cm
Description

A corundum, var. rubi, from Ihosy district, Madagascar.

José Luis Otero’s collection (serial number 53).

Mineral Data
What's on the rock

Corundum

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

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