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Mercurian Tetrahedrite Aragonite & Malachite

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MNT686329

Mercurian Tetrahedrite Aragonite & Malachite

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

Description Tabs

Description
Locality: 
Schwaz, Brixlegg-Schwaz Area, Tyrol, Austria
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.6 × 2.4 cm
Description

Nice old time example from the Schwaz-Brixlegg area: silvery grey schwazite (mercurian tetrahedrite) is accompanied/covered by in part blueish aragonite (could also be Emmonite, not tested), an olive green secondary mineral which was not formally identified and what i think is malachite (could be some other green copper secondary though).

 

Mineral Data
What's on the rock

Mercurian Tetrahedrite

Variety Of: 

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0
Formula: 
(Cu,Hg)12Sb4S13
Hardness: 
0.0

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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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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