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Cassiterite Var Wood Tin

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MMM31126

Cassiterite Var Wood Tin

Description Tabs

Description
Locality: 
Trevaunance Mine, St Agnes, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 5 × 2 cm
Description

A pebble which has been cut and polished to reveal brown fibrous cassiterite in quartz matrix.

Mineral Data
What's on the rock

Cassiterite

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

Wood Tin

Variety Of: 

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Hardness: 
6.0 - 7.0
Hardness: 
0.0