Aragonite Mining

Aragonite is a carbonate mineral, one of the two common, naturally occurring polymorphs of calcium carbonate, CaCO3. The other polymorph is the mineral calcite. Aragonite’s crystal lattice differs from that of calcite, resulting in a different crystal shape, an orthorhombic system with acicular crystals. Repeated twinning results in pseudo-hexagonal forms.


Type Crystal System
Mineral Orthorhombic
Mineral Classification Color
Carbonate White, red, yellow, orange, green, purple, grey, blue and brown
Chemical Formula Luster
CaCO3 Vitreous, resinous on fracture surfaces
Streak Fracture
White Subconchoidal
Mohs Hardness

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