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Chromian Clinochlore

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MNT686332

Chromian Clinochlore

ex Prof. Dr. Wolfgang Hofmeister (GER)
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: 
9.3 × 7 × 5.6 cm
Description

This is a fine and quite representative specimen of kämmererite/ chromian clinochlore from the most prolific occurrence of this mineral in collectors quality. The Kop Krom mine has been famous for these specimens but bigger samples are not often seen. This one comes from the private collection of the former head of the Institute of Geosciences of the Mainz Gutenberg University Prof. Dr. D. Sc. h.c. Wolfgang Hofmeister.

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

Seller Information

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Seller's terms and conditions

Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger