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Posnjakite On Tennantite

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KMF636802

Posnjakite On Tennantite

ex Uli Bahmann
Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5.3 × 3.9 cm
Description

Bahmann nr 207, a richly mineralized posnjackite coated tennantite specimen with unique truncated terminations- all are flattened instead of typically pyramidal.

The condition is acceptable with contact related imperfections only.

Mineral Data
What's on the rock

Posnjakite

Formula: 
Cu4(SO4)(OH)6·H2O
Strunz: 
7.DD.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Nura-Taldy W deposit, Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan...

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for your purchase!

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**In some countries the customs office issue the parcel with a local  tracking number when it enters the country, this can be obtained by your local customs office, this includes all East Asian countries, Australia and New Zealand. if this occurs then I am unable to track the parcel unless you can provide me with the new tracking number. **



Combined shipping available:



Pay for the largest items' full shipping cost then I add $10 per additional item.  the usual maximum items I can fit per box is 3, should there be additional items I then price a new box with the same calculation largest items full shipping + additional items at reduced rate. etc

 I calculate the combined shipping automatically at the end of a auction. you will receive a revised invoice should you have won more than one item.

Courier shipping is also available, please inquire about a rate once you have won your items and I will advise on price according to dimension/weight, and if you wish to use this service I will revise your invoice accordingly.