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Wolframite & Quartz

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PJM90003

Wolframite & Quartz

Ex J & S Mommers Collection.

Description Tabs

Description
Locality: 
Yaogangxian Mine, Hunan Province, China (Peoples Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.2 × 2.5 cm
Description

A bright black terminated wolframite crystal, the blade nestaled in a cluster of terminated quartz crystals from Yaogangxian Mine.

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Earthstones Australia

Seller Information

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Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.