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Cristobalite

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MNR29520

Cristobalite

Rare Mineral

Description Tabs

Description
Locality: 
Vechec, Vranov nad Topľou County, Prešov Region, Slovakia (Slovak Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 3.8 cm
Description

Very rich cristobalite specimen with plenty small crystals perched on basalt matrix.

Crystals are developed in excellent shape.

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