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Muscovite

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PCZ761439

Muscovite

Pseudomorph

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3 × 3 cm
Description

Not the most attractive specimen but a very interesting and unusual one. Densly packed muscovite crystals in a clear hexagonal structure. Quite possibly a pseudomorph of aquamarine?

Mineral Data
What's on the rock

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White
Peter Crozier Minerals