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Andalusite Var Chiastolite

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MEX801072

Andalusite Var Chiastolite

Classic Locality

Description Tabs

Description
Locality: 
Pestsovye Keivy, Keivy Mountains, Murmansk Oblast, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.6 × 0.9 cm
Weight: 
29.00gr
Description

Nice specimen with well chiastolite aggregate. The specimen is sawed, no polished.

Mineral Data
What's on the rock

Andalusite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.10
Crystal System: 
Orthorhombic
Hardness: 
6.5 - 7.5
Streak: 
White
Type Locality: 
El Cardoso de la Sierra, Guadalajara, Castile-La Mancha, Spain

Chiastolite

Variety Of: 

Andalusite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.10
Hardness: 
6.5 - 7.5
Hardness: 
0.0