Rock Identifier
Blue Calcite (Calcium Carbonate (CaCO3)) — mineral
mineral

Blue Calcite

Calcium Carbonate (CaCO3)

AI-generated identification · may be incorrect

Mohs hardness of 3; pale to sky blue color; vitreous to pearly luster; trigonal crystal system with perfect rhombohedral cleavage.

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Physical properties

Mohs hardness of 3; pale to sky blue color; vitreous to pearly luster; trigonal crystal system with perfect rhombohedral cleavage.

Formation & geological history

Forms in sedimentary environments, hydrothermal veins, and metamorphic marbles through the precipitation of calcium-rich solutions.

Uses & applications

Used primarily in decorative items, mineral collections, and as a soothing meditation stone due to its gentle calming energy.

Geological facts

Calcite exhibits strong double refraction, doubling any text viewed through clear specimens. It is a major constituent of limestone and marble.

Field identification & locations

Easily identified by its soft 3 hardness and strong effervescence when exposed to dilute hydrochloric acid. Commonly sourced from Madagascar and Mexico.