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Malachite Psm Cuprite

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MNT549062

Malachite Psm Cuprite

ex Dr. F. Krantz, ex ?
Classic Locality

Description Tabs

Description
Locality: 
Horní Rokytnice, Rychnov nad Kněžnou, Hradec Králové Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6.3 × 4.2 cm
Description

A rare old timer from the Krantz stock: originally labeled "Kieselkupfer mit  Fahlerz" (chrysocolla & fahlore) by the collector this was crossed out and amended by Krantz as malachite psm cuprite with a question mark. Krantz ID seems to be ok. The specimen was found in the Juliengrube in Bohemia in the Liberec area (Ober-Rochlitz, nowadays Horní Rokytnice). According to the label the collector got the specimen as a present from a Prof.Fritzsche on July 18th 1873.

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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