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Oellacherite

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JYJ94751

Oellacherite

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.1 × 1.3 cm
Description

Intense green tabular crystals of the mica mineral oellacherite on sugary 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