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Cassiterite

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Cassiterite

Description Tabs

Description
Locality: 
Trevaunance Mine, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 6 × 3 cm
Description

A 2 x 2 cm cavity lined with sharp undamaged cassiterite crystals to 2 mm in quartz, tourmalinized slate matrix.

Mineral Data
What's on the rock

Cassiterite

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