Aragonite

CaCO3

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Aragonite is the high-pressure polymorph of calcium carbonate. It is less stable than calcite at Earth's surface conditions and will convert to calcite over geological time. Mother of pearl and most pearls are composed of aragonite.

Système Cristallin Orthorhombic
Classe Minérale 05 Carbonates and Nitrates
Dureté Mohs 3.5-4.0
Densité 2.93-2.95
Couleur Colorless, white, yellow, blue, green
Éclat Vitreous
Trait White
Clivage Poor {010}
Cassure Subconchoidal
Transparence Transparent
Habitus Cristallin Prismatic, acicular, twinned pseudo-hexagonal

Dureté Mohs

Mohs Hardness: 3,5 – 4,0
1 Soft10 Hard

Système Cristallin

Orthorhombic

Frequently Asked Questions

What is the hardness of Aragonite?
Aragonite has a Mohs hardness of 3.5-4.0.
What crystal system does Aragonite belong to?
Aragonite crystallizes in the Orthorhombic crystal system.
What color is Aragonite?
Aragonite is typically Colorless, white, yellow, blue, green.
What type of luster does Aragonite have?
Aragonite exhibits a Vitreous luster.
What is the chemical formula of Aragonite?
The chemical formula of Aragonite is CaCO3.