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Lazurite With Calcite

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IKM958307

Lazurite With Calcite

Description Tabs

Description
Locality: 
Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.3 × 6.3 × 6.4 cm
Description

Well terminated blue lazurite with calcite hosts matrix,the lazulite crystal very nice and good condition.

Mineral Data
What's on the rock

Lazurite

Variety Of: 

Haüyne

Formula: 
(Na,Ca)4-8(Al6Si6O24)(SO4,S,Cl)1-2
Strunz: 
9.FB.10
Hardness: 
5.5 - 6.0
Formula: 
Na6 Ca2(Al6Si6O24)(SO4,S,S2, S3,Cl,OH)2
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
5.0 - 5.5
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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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