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Tennantite & Quartz

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MNT781156

Tennantite & Quartz

ex Herbert Schuler, Furtwangen, GER
Classic Locality

Description Tabs

Description
Locality: 
Concepción del Oro, Concepción del Oro Municipality, Zacatecas, Mexico
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.7 × 4.5 cm
Description

From the collection of the Black Forest based collector Herbert Schuler comes this nice specimen of tennantite as gunmetal grey partly (sub)metallic lustrous crystals nicely contrasting with the quartz crystal matrix. Only Durango is given as locality, but based on good practice AND the habit Concepcion del Oro is an educated and valid guess!

Mineral Data
What's on the rock

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
3.0 - 4.5
Type Locality: 
Cornwall, England, UK

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Current price

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10
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Start 21 May 18:00
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Shipping Information

Postage Area Price
Germany
6
Europe (EU)
9
Non-EU/Rest of World/Overseas
8

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