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Cassiterite

#58119
Cassiterite from North Seal Hole mine, St Agnes Consols, St Agnes, Cornwall, England - 58119
Cassiterite from North Seal Hole mine, St Agnes Consols, St Agnes, Cornwall, England - 58119

Cassiterite

#58119
Availability
Available
Price
$25.00
Size
5 x 2 x 2 cm - Miniature 
Formula
SnO2 (RRUFF)
Locality
North Seal Hole mine, St Agnes Consols, St Agnes, Cornwall, England
Tagged
tin

Nice piece with light brown crystals to 2mm collected in 2015 by Dale Foster.

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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