
mineral
Calcite
Calcium Carbonate (CaCO3)
AI-generated identification · may be incorrectHardness of 3 on Mohs scale, transparent to opaque with vitreous to earthy luster, rhombohedral crystal system, and perfect rhombohedral cleavage.
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Physical properties
Hardness of 3 on Mohs scale, transparent to opaque with vitreous to earthy luster, rhombohedral crystal system, and perfect rhombohedral cleavage.
Formation & geological history
Formed in sedimentary, metamorphic, and igneous environments primarily through precipitation from aqueous solutions.
Uses & applications
Used in construction materials, cement manufacturing, agriculture for soil neutralization, and optical equipment.
Geological facts
Calcite exhibits strong double refraction, splitting light passing through it into two separate rays.
Field identification & locations
Identified easily by its distinctive rhombohedral cleavage and strong effervescence when exposed to dilute hydrochloric acid; found worldwide.