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Quartz Psm Tridymite

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RPN95088

Quartz Psm Tridymite

Description Tabs

Description
Locality: 
Zovon, Vò, Euganean Hills, Padova Province, Veneto, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 8.5 × 7.5 cm
Largest Crystal: 
0.70cm
Description

Nice paramorph of quartz after tridymite from this classic location.

The crystals are sharp edged and well crystallised.

Collected in the early 1960s.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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
minhunter

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