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Sericite Psm Muscovite

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AST843718

Sericite Psm Muscovite

Pseudomorph

Description Tabs

Description
Locality: 
Kimmeria, Xanthi, East Macedonia and Thrace, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.5 × 7.5 × 3 cm
Description

A fine specimen of sericite pseudomorphs after intergrown muscovite crystals that form elongated cogwheel crystals on quartz matrix. Such pseudomorphs are known only from a small occurence at Xanthi granodiorite body and considered unique in Greece. This is a top for the locality specimen of  well formed crystals with very nice display and minimal damages. Excellent addition to a pseudomorph collection.

Mineral Data
What's on the rock

Sericite

Variety Of: 

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Hardness: 
0.0

Muscovite

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

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