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Qitianlingite Hübnerite

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GFM787634

Qitianlingite Hübnerite

Description Tabs

Description
Locality: 
Römer Shaft, Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1 × 1.5 cm
Description

brownish micro crystalline aggregates of 5 mm, as zonar intergrown in black Hübnerite. Old newly examined samples, found around 1940

Mineral Data
What's on the rock

Qitianlingite

Formula: 
(Fe,Mn)2(Nb,Ta)2WO10
Strunz: 
4.DB.35
Hardness: 
5.5
Colour: 
Black
Type Locality: 
Qitianling complex, Beihu District, Chenzhou Prefecture, Hunan Province, China

Hübnerite

Formula: 
MnWO4
Strunz: 
4.DB.30
Crystal System: 
Monoclinic
Hardness: 
4.0 - 4.5
Type Locality: 
Erie and Enterprize veins, Ellsworth Mine, Ellsworth, Ellsworth District (Mammoth District), Paradise Range, Nye Co., Nevada, USA