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Wolframite

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MMM30752

Wolframite

Description Tabs

Description
Locality: 
Dolcoath Mine, Camborne, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 7 × 3 cm
Description

Rich chunk of wolframite with minor quartz from Cornwall's Queen of mines.

Quite a rare locality specimen.

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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