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Chromian Clinochlore

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MNT685901

Chromian Clinochlore

ex Dr. F. Krantz, Bonn, GER; ex ?
Classic Locality

Description Tabs

Description
Locality: 
Baltimore County, Maryland, United States of America
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.6 × 2.1 cm
Description

US classic and not often seen - probably late 1800s specimen with purplish chromian clinochlore associated with some dull grey mineral which may be the chromite identified on the label. Some other silicate(s) seem to be present.

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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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