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Andradite With Calcite

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KRM90618

Andradite With Calcite

Description Tabs

Description
Locality: 
Khogyani, Nangarhar Province, Afghanistan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3.7 × 2.9 cm
Description

A very nice combination specimen of sharp well terminated, lustrous andradite, clinochlore & calcite.

There is no damage to main andradite crystals. 

Mineral Data
What's on the rock

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Calcite

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

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