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Chalcopyrite Var Blister Copper

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MNT145000

Chalcopyrite Var Blister Copper

ex J. Sasamoto, JAP
Classic Locality

Description Tabs

Description
Locality: 
Uchima, Izumo, Shimane Prefecture, Honshu Island, Japan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3.5 × 2.5 cm
Description

Japanese minerals, particularly the older classics, are increasingly hard to obtain. This specimen is out of the Sasamoto collection at Krantz in Bonn, GER. The label originally states "native copper" which was then overwritten (not very clear to read) with "Kupferkies" (german for chalcopyrite) by Krantz. The specimen is kind of a botryoidal mass of chalcopyrite very similar to blister copper and exhibits nice iridescence colours on one side. Labeled to be from Uchima, Izumo. Izumo is nowadays the eastern part of the Shimane prefecture.

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

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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