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Afghanite With Lapis Lazuli & Pyrite

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KRM132378

Afghanite With Lapis Lazuli & Pyrite

Description Tabs

Description
Locality: 
Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.2 × 1.9 cm
Description

 Well terminated rich blue afghanite incombination with partial lapis lazuli & pyrite with white marble matrix. The upper termination of afghanite is naturally cut. over all a good specimen of afghanite from the locality.

 

 

Mineral Data
What's on the rock

Afghanite

Formula: 
(Na,Ca,K)8(Al6Si6O24)(Cl2,SO4,CO3)3·0.5H2O
Strunz: 
9.FB.05
Crystal System: 
Hexagonal
Hardness: 
5.5 - 6.0
Streak: 
white
Type Locality: 
Ladjuar Medam (Lajur Madan; Lapis-lazuli Mine; Lapis-lazuli deposit), Sar-e Sang (Sar Sang; Sary Sang), Koksha Valley (Kokscha Valley; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province; Badahsan Province), Afghanistan

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

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