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Wolframite

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PJM109680

Wolframite

Description Tabs

Description
Locality: 
Callawonga Creek, Yankalilla, Fleurieu Peninsula, Mount Lofty Ranges, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 4.8 × 4.5 cm
Description

A huge wolframite crystal from the old workings in the Callawonga Creek, near Yankalilla on the Fleurieu Pensisular, the rear of the specimen shows contact with the matrix.

The Callawonga area was mined predominantly for gold and wolfram between 1890 and 1907.

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
Earthstones Australia

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