mineral
Blue Calcite
Calcium Carbonate (CaCO3)
AI-generated identification · may be incorrectMohs hardness of 3, pale to deep blue color, vitreous to pearly luster, trigonal crystal system, and perfect rhombohedral cleavage.
Identified More mineral →
Explore Blue Calcite in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Mohs hardness of 3, pale to deep blue color, vitreous to pearly luster, trigonal crystal system, and perfect rhombohedral cleavage.
Formation & geological history
Formed through the precipitation of calcium carbonate in sedimentary environments, hydrothermal veins, and metamorphic marble deposits.
Uses & applications
Used primarily in decorative items, lapidary arts, metaphysical practices, and as a source of calcium in various industrial applications.
Geological facts
Blue calcite exhibits strong white to pale blue fluorescence under ultraviolet light and reacts with dilute hydrochloric acid by effervescing.
Field identification & locations
Easily identified by its soft nature, rhombohedral cleavage, and acid reactivity; commonly sourced from Madagascar, Mexico, and the USA.
