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Stilbite

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KRM639198

Stilbite

Description Tabs

Description
Locality: 
Darrah I Pech, Chapa Dara District, Kunar Province, Afghanistan
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.8 × 5 cm
Description

A very unusual find from the locality, Well terminated stillbite , no damage, these materials has not been analyzed visiual identification ,   Very unusual for the locality.

Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

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