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Andradite Diopside & Biotite

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PFK591912

Andradite Diopside & Biotite

Description Tabs

Description
Locality: 
Marki Khel, Khogyani District, Nangarhar Province, Afghanistan
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 3.1 × 2 cm
Description

Excellent and aesthetic miniature with sharp, lustrous, dodecahedral crystals of brown andradite. There is some translucency and nice contrast with the matrix. The association adds to the overall value of the specimen. I sold this one several years ago and got it back in trade just a few days ago!

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

Diopside

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

Biotite

Group Parent: 
Mica Group

Seller Information

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