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Calcite & Aragonite

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PDM592032

Calcite & Aragonite

Description Tabs

Description
Locality: 
La Union, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.6 × 4.1 cm
Description

White spheroidal aggregates of calcite to 9 mm, with minor greenish fluorescence under UV, overgrown by transparent acicular crystals of  aragonite. Self-collected in 2009.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
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

Seller Information

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