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Cristobalite In Obsidian

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SHS143310

Cristobalite In Obsidian

Description Tabs

Description
Locality: 
Coso Range, Inyo County, California, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 3.7 cm
Description

Cristobalite in 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