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Sphalerite & Chalcopyrite

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MNT661600

Sphalerite & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Picher Field, Ottawa County, Oklahoma, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.1 × 4.7 × 3.8 cm
Description

Nice specimen from Picher: dark brown sphalerite crystals, some with more reddish hue on matrix/sulfide matrix. The large almost blackish-brown sphalerite crystal on the edge of the specimen hosts numerous brassy and shiny chalcopyrite crystals which are epitaxially grown on/in the sphalerite. A real US classic from the 1970s/80s.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
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