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Andradite & Biotite

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PFK629760

Andradite & Biotite

Description Tabs

Description
Locality: 
Marki Khel, Khogyani District, Nangarhar Province, Afghanistan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.1 × 1.7 cm
Largest Crystal: 
2.30cm
Description

Large, lustrous and sharp, dodecahedral crystals of brown andradite on matrix, associated with crystals of biotite.

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

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75
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Shipping Information

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