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Wolframite

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RFJ932366

Wolframite

Classic Locality

Description Tabs

Description
Locality: 
Takatori Mine, Shirosato-machi, Ibaraki Prefecture, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.2 × 6.6 × 3.3 cm
Description

Wolframite crystals in Quartz from perhaps the most important Wolframite deposit in Japan.

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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