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Cristobalite

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SHS843598

Cristobalite

Description Tabs

Description
Locality: 
Hochberg Quarry, Nieder-Ofleiden, Homberg, Vogelsberg, Giessen Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.2 × 2.4 cm
Description

Nice cristobalite on obsidian

Mineral Data
What's on the rock

Cristobalite

Formula: 
SiO2
Strunz: 
4.DA.15
Crystal System: 
Tetragonal - Trapezohedral
Hardness: 
6.0 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico