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Tridymite

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TBM1083737

Description Tabs

Description
Locality: 
Euganean Hills, Padova Province, Veneto, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.5 × 4.5 × 4.5 cm
Largest Crystal: 
0.50cm
Weight: 
27.00gr
Description

Very nice and big Tridymite crystals up to 5 mm on matrix

Mineral Data
What's on the rock

Tridymite

Formula: 
SiO2
Strunz: 
4.DA.10
Crystal System: 
Triclinic - Pedial
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico