Mineral - Aragonite

Name Aragonite
Class Carbonates
Category Polymorph of Calcite (same chemical formula CaCO₃, different structure)
Crystal system Orthorhombic
Chemical composition Calcium carbonate – CaCO₃
Hardness (Mohs scale) 3.5 to 4
Transparency Transparent to translucent, sometimes opaque depending on quality and inclusions
Geographical origin Spain, Czech Republic, Pakistan, Austria, Italy, Morocco, Namibia, Mexico, China, Peru, Romania