Purple cyclic twin aragonite crystal from Spain with a clean reflection.
Close-up of a purple pseudohexagonal twin aragonite specimen from Spain.
Macro photograph of a branching purple aragonite twin cluster from Spain.
Detailed macro of purple aragonite crystal faces showing vitreous luster.

Aragonite

Aragonite – Ca(CO3)
Elements: Calcium, Carbon, Oxygen
Class: Carbonates
Crystal System: Orthorhombic
Hardness: 3.5-4
Fluorite
Talc (1)Diamond (10)
Softer than glass. A steel knife scratches it.
Origin: La Pesquera, Cuenca, Castile-La Mancha – Spain
Did you know?

Aragonite is the very mineral that pearls and the shimmering lining of many seashells are made of.

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