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Wolframite

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PDM1034556

Wolframite

Description Tabs

Description
Locality: 
Kabara, Northern Province, Rwanda
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.6 × 2.5 cm
Weight: 
53.00gr
Description

Black lustrous crystal of crystallized “wolframite” from Kabara, an extremely rare locality in collections. Collected in the middle 1960’s by Professor Albert Delvaux (1919-1998). Later in the stock of Jacques Deblandre, it comes with a copy of his catalogue label.

Combine specimens to reduce shipping costs!.

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

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