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Oellacherite & Dolomite

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ESM619206

Oellacherite & Dolomite

Classic Locality

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 2 × 1.5 cm
Description

Light green tabular crystals of oellacherite with clear dolomite

Mineral Data
What's on the rock

Oellacherite

Variety Of: 

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Hardness: 
2.0 - 2.5
Streak: 
White

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White
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