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Wolframite

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SMM980481

Wolframite

A.G.A.B. Ass.Geol.Amat.Belgique

Description Tabs

Description
Locality: 
Modoto, Modotin, Dornogovi Aimag, Mongolia
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 1.5 cm
Weight: 
130.00gr
Description

An intriguing, partially/shiny, black, heavy "wolframite" crystal from Mongolia. Comes with a thirty year old "Association of Amateur Geologists of Belgium" (A.G.A.B.) label. I find it a very fascinating sample and probably very uncommon.

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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