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Chromian Clinochlore

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PDM818589

Chromian Clinochlore

Classic Locality

Description Tabs

Description
Locality: 
Kop Krom Mine, Kop Daglari, Erzurum Province, Turkey
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 9.3 × 3.5 cm
Largest Crystal: 
8.50cm
Weight: 
432.00gr
Description

Deep magenta-coloured crystals of chromian clinochlore (previously known as kämmererite), from the classic Kop Krom mine in Turkey. The tabular matrix is a black microcrystalline chromite rock and the crystals of chromian clinochlore are richly covering both sides. Some crystals are cleaved and some crystals surpass 8 mm in size.

Acquired in 1999. Ex Jan Sibtsen #3234.

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Mineral Data
What's on the rock

Chromian Clinochlore

Variety Of: 

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
2.0 - 2.5
Formula: 
Mg5(Al,Cr)2Si3O10(OH)8
Hardness: 
0.0

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