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Aragonite & Dolomite

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SCH76421

Aragonite & Dolomite

Description Tabs

Description
Locality: 
Eugui Quarries, Esteríbar, Navarre, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4 × 2.6 cm
Description

Groups of orange crystals of aragonite set on rhombohedral crystals of dolomite. The crystals are very acute, almost acicular with well defined edges and terminations.    

Mineral Data
What's on the rock

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

Dolomite

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

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