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2 items @ $85.00  

Cassiterite

#58113

Cassiterite

#58113
Availability
Sold
Size
5.5 x 4.5 x 3.5 cm - Sm Cabinet 
Formula
SnO2 (RRUFF)
Locality
Great North Downs mine, Scorrier, Redruth, Cornwall, England

This mine dates back to 1862. A locality specimen with crystals, mostly broken, to 1mm in a Quartz vein. It was self-collected by Dale A. Foster in 2013.

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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