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Hackmanite

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DPH101471

Hackmanite

Description Tabs

Description
Locality: 
Koksha Valley, Badakhshan Province, Afghanistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 5 cm
Largest Crystal: 
4.00cm
Description

A 4 cm crystal of hackmanite together with some smaller ones from famous Koksha-valley in Afghanistan.

Mineral Data
What's on the rock

Hackmanite

Variety Of: 

Sodalite

Formula: 
Na8(Al6Si6O24)Cl2
Strunz: 
9.FB.10
Hardness: 
5.5 - 6.0
Formula: 
Na8Al6Si6O24(Cl2,S)
Hardness: 
0.0