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Sodalite Var Hackmanite

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KRM134852

Sodalite Var Hackmanite

Description Tabs

Description
Locality: 
Koksha Valley, Badakhshan Province, Afghanistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 2.5 cm
Description

 A superb large well terminated pink purperlish hackmanite crystal from femed Kokshah Valley  , Badakhshan , Afghanistan.

There are minor etching/natural cutiing at one edge.

A very good hackmanite example from the locality.

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

Hackmanite

Variety Of: 

Sodalite

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

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