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Wolframite

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Wolframite

Description Tabs

Description
Locality: 
Roßgrabeneck, Nordrach, Freiburg, Baden-Württemberg, Germany
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.5 × 5 cm
Description

Very rare and massive Wolframite from the Rossgrabeneck locality near Gengenbach/Black Forest.

Mineral Data
What's on the rock

Wolframite

Synonym Of: 

Hübnerite

Formula: 
MnWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5

Ferberite

Formula: 
FeWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5
Formula: 
(Fe2+)WO4 to (Mn2+)WO4
Crystal System: 
Monoclinic
Hardness: 
4 - 4.5
Colour: 
Greyish-black
Streak: 
Reddish Brown

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 10 days. After receipt, I will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions please feel free to contact me. Best regards Crystallum