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Andalusite

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CR707654

Andalusite

Description Tabs

Description
Locality: 
Teuchlbach Valley, Penk, Kreuzeck, Carinthia, Austria
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.6 × 2.7 cm
Description

This is a classic and good andalusite specimen from Dirk Rheinländer  collection.

Sharp and redbrown andalusite crystal on quartz-shist 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