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Cassiterite On Muscovite

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PJM90050

Cassiterite On Muscovite

Ex J & S Mommers Collection.

Description Tabs

Description
Locality: 
Storeys Creek Mine, Rossarden, Northern Midlands Municipality, Tasmania, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.3 × 2.1 cm
Description

A dark resinous brown twinned cassiterite crystal on a muscovite and quartz matrix from Storey's Creek in the Rosaarden Mining District.

This specimen was collected in the late 1960's and came from the J Rees Collection (Sydney)

Mineral Data
What's on the rock

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White
Earthstones Australia

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