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Malachite & Cuprite

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MNT754974

Malachite & Cuprite

ex Dr. F. Krantz, Bonn (GER)
Classic Locality

Description Tabs

Description
Locality: 
Nizhnii Tagil, Sverdlovsk Oblast, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.5 × 2.8 cm
Description

Nice example from this classic locale: massive partly crystallized deep reddish to greyish metallic cuprite masses are inter- and overgrown by emerald green malachite.
The malachite exhibits some acicular crystal growth. Nice old label stating sth like "Zertschininow" as locality. We couldn´t find out what that specific place is but the specimen comes from the Middle Ural Mts. copper mineral stock at Krantz.

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

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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