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Andradite With Epidote & Clinochlore

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KRM215979

Andradite With Epidote & Clinochlore

Description Tabs

Description
Locality: 
Mawi, Nuristan Province, Afghanistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 9.5 × 6.5 cm
Description

 A large well terminated gemmy lustrous andradite, clinochlore & greenish epidote  crystals hosts to calcite matrix.

There is no damage except natural cut marking.

A very good specimen from the locality.

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

Epidote

Formula: 
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Colorless
Type Locality: 
Bourg d'Oisans, Isère, Rhône-Alpes, France...

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Brinton's Quarry, West Chester, Westtown Township, Chester Co., Pennsylvania, USA...