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Dolomite Psm Aragonite

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TWH540814

Dolomite Psm Aragonite

Pseudomorph

Description Tabs

Description
Locality: 
Lovell, Big Horn County, Wyoming, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.2 × 3.2 cm
Description

an old collection showing dolomite replacing hexagonal crystal of aragonite from Lovell, Big Horn, Wyoming

Mineral Data
What's on the rock

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
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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