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Cassiterite

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Cassiterite

Description Tabs

Description
Locality: 
Ale & Cakes Mine, Gwennap, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 2.5 × 3 cm
Largest Crystal: 
0.25cm
Description

A good coverage of bright undamaged cassiterite crystals on altered slate matrix.

This specimen was collected in the 1980's from excavations on the back of the lode in preparations for the local waste disposal tip.

Ale & Cakes is part of the Poldory Mine set at United Downs

Mineral Data
What's on the rock

Cassiterite

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