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Corundum Var Ruby

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SER201231

Corundum Var Ruby

Description Tabs

Description
Locality: 
Gogogogo, Ampanihy, Atsimo-Andrefana, Madagascar
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 2.5 cm
Largest Crystal: 
2.10cm
Description

A marble matrix hosts a red ruby crystal

Mineral Data
What's on the rock

Corundum

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

Ruby

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Crystal System: 
Hexagonal
Hardness: 
9.0
Colour: 
Red