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Chalcopyrite & Dolomite

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MNT155467

Chalcopyrite & Dolomite

ex Hans Walling
Classic Locality

Description Tabs

Description
Locality: 
Ballard Mine, Baxter Springs, Picher Field, Cherokee County, Kansas, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 8.5 × 5 cm
Description

A nice US classic from 1963 out of the Walling collection: a carbonate host rock matrix (falsely labeled as schist) is covered by numerous saddle like rhombs of tan whiteish dolomite crystals hosting lots of lustrous sharp tetrahedral chalcopyrite crystals. Not often seen nowadays.

Mineral Data
What's on the rock

Chalcopyrite

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

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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

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