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Sodalite Psm Winchite

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KRM63726

Sodalite Psm Winchite

Description Tabs

Description
Locality: 
Koksha Valley, Badakhshan Province, Afghanistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 5 × 3.6 cm
Largest Crystal: 
3.00cm
Description

A example of winchite with calcite from a famed classic locality Koksha Valley , Badakhshan.

The winchite crystals in this specimen appears has been replaced by a blue mineral possibily Sodalite.

There are many tiny pyrite crystals can also be seen throught the specimen.

Mineral Data
What's on the rock

Sodalite

Formula: 
Na8(Al6Si6O24)Cl2
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Winchite

Formula: 
☐{CaNa}{Mg4Al}(Si8O22)(OH)2
Strunz: 
9.DE.20
Hardness: 
5.5

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