mineral
Green Banded Calcite
Calcium Carbonate (CaCO3)
AI-generated identification · may be incorrectHardness of 3 on Mohs scale, pale green and white banded coloration, vitreous to pearly luster, and rhombohedral crystal cleavage.
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Physical properties
Hardness of 3 on Mohs scale, pale green and white banded coloration, vitreous to pearly luster, and rhombohedral crystal cleavage.
Formation & geological history
Forms in sedimentary environments through the precipitation of calcium carbonate from mineral-rich waters in caves or hydrothermal veins.
Uses & applications
Widely used for ornamental carvings, polished decorative tumbled stones, and holistic crystal healing practices.
Geological facts
Banded varieties are often marketed as green onyx due to their visual similarity, though true onyx is a quartz variety.
Field identification & locations
Easily identified by its soft hardness, distinct green-and-white banding, and vigorous effervescence when tested with dilute hydrochloric acid.
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