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Cordierite

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SHS157945

Cordierite

Description Tabs

Description
Locality: 
Arendal, Aust-Agder, Norway
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 0.8 cm
Description

Nice piece of cordierite

Mineral Data
What's on the rock

Cordierite

Formula: 
(Mg,Fe)2Al3(AlSi5O18)
Strunz: 
9.CJ.10
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 7.5
Type Locality: 
Großer Arber, Bayerisch Eisenstein, Lower Bavaria, Bavaria, Germany
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