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1 item @ $25.00  

Cristobalite

#66114

Cristobalite

#66114
Availability
Available
Price
$60.00
Size
11 x 7 x 5 cm - Cabinet 
Formula
SiO2 (RRUFF)
Locality
Cerro San Cristóbal, Pachuca, Hidalgo, Mexico

Concentric patterns of this chert-like Quartz polymorph.

Type Locality

Cristobalite

Formula
SiO2 
Crystal System
Tetragonal 
Crystal Habit
Spherical, Crystalline - Fine 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue gray, brown, gray, yellow, white 
Streak
white 
Class
Tetragonal - Trapezohedral 
Fracture
Brittle 
Hardness
6.5 

Data courtesy of Webmineral.

Special Info
Type Locality

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