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Orthoclase Psm Marialite With Phlogopite

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KRM532515

Orthoclase Psm Marialite With Phlogopite

Description Tabs

Description
Locality: 
Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 3.2 × 2 cm
Description

A superb rare pseudomorph example of well doubly terminated orthoclase Psm marialite joined together. 

A very good high quality specimen from the locality , very hard to find.

Mineralogical Record "Badakhshan".

Mineral Data
What's on the rock

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White

Marialite

Formula: 
Na4Al3Si9O24Cl
Strunz: 
9.FB.15
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Pianura, Phlegrean Fields, Naples Province, Phlegrean Volcanic complex, Campania, Italy

Phlogopite

Formula: 
KMg3(AlSi3O10)(OH,F)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 3.0
Streak: 
White

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