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Andalusite & Muscovite

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CLB621203

Andalusite & Muscovite

Description Tabs

Description
Locality: 
Lüsens Valley, Tyrol, Austria
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12.3 × 7 × 5.5 cm
Largest Crystal: 
4.50cm
Weight: 
490.00gr
Description

Dark gray andalusite crystals up to 4.5 cm with some muscovite or phlogopite on matrix.

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

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

Seller Information

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