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Andalusite & Muscovite

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SHS745947

Andalusite & Muscovite

Description Tabs

Description
Locality: 
Hultebo, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 4.5 cm
Description

Nice red andalusite in muscovite and feldspar

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