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Andradite With Diopside Epidote & Clinochlore

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KRM179768

Andradite With Diopside Epidote & Clinochlore

Description Tabs

Description
Locality: 
Khogyani, Nangarhar Province, Afghanistan
Size Range: 
Cabinet (10-18 cm)
Size: 
8 × 12.9 × 5.3 cm
Description

 A superb large platy specimen of bright lustrous gemmy andradite crystals , clinochlore , minor diopside & gemmy epidote crystals sprayed over an original matrix .

Andradite crystals looks more lustrous and gemmy in person.

A very good nice combination specimen nfrom the locality

An attractive view of these intact lustrous crystals under a loup.  

 

 

 

 

 

 

 

 

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

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...

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