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0 item @ $0.00  

Cassiterite

#35991

Cassiterite

#35991
Availability
Sold
Size
3.5 x 3 x 2 cm - Miniature 
Formula
SnO2 (RRUFF)
Locality
Viloco, Araca dist., La Paz dept., Bolivia

Translucent brown Cassiterite twinned crystals from 1.3 to 2cm. The photo's do not do it justice. In hand this is a very good specimen with superb well-defined crystals.

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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