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0 item @ $0.00  

Cassiterite

#PD30879

Cassiterite

#PD30879
Availability
Sold
Size
3.5 x 2.5 x 2 cm - Miniature 
Formula
SnO2 (RRUFF)
Locality
Camborne, Cornwall, England
Tagged
tin

2-3mm cyclic twinned Cassiterite crystals. Most of the specimen is Cassiterite with about 25% Quartz.

Cassiterite

Formula
SnO2 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Massive, Botryoidal 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
brown, brownish black, colorless, green, gray 
Streak
brownish white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Irregular 
Hardness
6-7 

Data courtesy of Webmineral.

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