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Andradite Biotite & Epidote

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PFK629751

Andradite Biotite & Epidote

Description Tabs

Description
Locality: 
Marki Khel, Khogyani District, Nangarhar Province, Afghanistan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4.6 × 1.9 cm
Largest Crystal: 
1.20cm
Description

Sharp and highly lustrous, dodecahedral crystals of brown andradite on matrix with crystals of biotite and gem little crystals of epidote.

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

Biotite

Group Parent: 
Mica Group

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...

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Shipping Information

Postage Area Price
Greece
5
Europe
12
Rest of the World
14