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Clinohumite With Dolomite & Clinochlore

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KRM116598

Clinohumite With Dolomite & Clinochlore

Description Tabs

Description
Locality: 
Kiran, Kokcha Valley, Khash & Kuran Wa Munjan District, Badakhshan Province, Afghanistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 5 × 2.6 cm
Description

A good well terminated gemmy clean clinohumite crystals over clinochlore.

Dolomite crystals can be seen throughout the specimen.

A very good specimen from the locality.

Mineral Data
What's on the rock

Clinohumite

Formula: 
Mg9(SiO4)4F2
Strunz: 
9.AF.55
Hardness: 
6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

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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