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Chalcopyrite Var Blister Copper

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MNT764253

Chalcopyrite Var Blister Copper

ex Dr. F. Krantz - no old label
Classic Locality

Description Tabs

Description
Locality: 
Cooks Kitchen Mine, Pool, Carn Brea, Cornwall, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.1 × 1 cm
Description

A small but typical example of the classic blister copper chalcopyrite from Cornwall with in part iridescent tarnish. Ex. Dr. Krantz stuff, from the 19th century, no old label unfortunately.

Mineral Data
What's on the rock

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Blister Copper

Variety Of: 

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Hardness: 
3.5 - 4.0
Hardness: 
0.0
Colour: 
Brassy

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