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Hydroxylclinohumite With Dolomite & Clinochlore

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KRM719605

Hydroxylclinohumite With Dolomite & Clinochlore

Description Tabs

Description
Locality: 
Koksha Valley, Badakhshan Province, Afghanistan
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.4 × 3.5 × 3 cm
Description

Well terminated gemmy rare  Hydroxylclinohumite / formerly knon as Chondridite crystals hosts to well terminated dolomite crystal with minor clinochlore throughout , undamaged , nice specimen.

Mineral Data
What's on the rock

Hydroxylclinohumite

Formula: 
Mg9(SiO4)4(OH)2
Strunz: 
9.AF.55
Crystal System: 
Monoclinic
Hardness: 
6.5
Streak: 
White
Type Locality: 
Zelentsovskaya Pit, Kusinsk Fe-Ti-V-deposit, Zlatoust, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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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