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Cassiterite

#8139
SOLD
Cassiterite from Viloco, Araca dist., La Paz dept., Bolivia - 8139
Cassiterite from Viloco, Araca dist., La Paz dept., Bolivia - 8139

Cassiterite

#8139
Availability
Sold
Size
3 x 3.5 x 1.5 cm - Miniature 
Formula
SnO2 (RRUFF)
Locality
Viloco, Araca dist., La Paz dept., Bolivia

Smoky-gray crystals of Cassiterite, some of which are twinned, to 6mm with a nice adamantine luster covering matrix.

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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