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Quartz With Andradite

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KRM119230

Quartz With Andradite

Description Tabs

Description
Locality: 
Bamian, Bamyan Province, Afghanistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 6.5 × 3.1 cm
Description

A very beautiful and very unusual specimen  from the locality  of well terminated brown-red color andradite incombination with green quartz crystals , it is not known yet that what mineral cause the green coloration of quratz.

minor etching can be seen.

The specimen could further be cleaned.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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

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