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Epidote Diopside & Andradite

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SER749852

Epidote Diopside & Andradite

Description Tabs

Description
Locality: 
Marki Khel, Khogyani District, Nangarhar Province, Afghanistan
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.6 × 3.5 cm
Description

a large cluster of oil green epidote with green diopside and orange andradite

Mineral Data
What's on the rock

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...

Diopside

Formula: 
CaMgSi2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.5
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