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Quartz Psm Aragonite

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SHS123507

Quartz Psm Aragonite

Description Tabs

Description
Locality: 
Cresent Junction, Utah, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0 cm
Description

Nice pseudomorphose quartz after aragonite twin

Mineral Data
What's on the rock

Quartz

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

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain
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