mineral

Honey calcite

Calcite, CaCO₃

AI-generated identification · may be incorrect

Transparent to translucent, pale honey-brown crystals with vitreous to pearly luster and prominent rhombohedral cleavage. Mohs hardness 3; trigonal crystal system; specific gravity about 2.7.

Identified October 3, 2026More mineral →

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Physical properties

Transparent to translucent, pale honey-brown crystals with vitreous to pearly luster and prominent rhombohedral cleavage. Mohs hardness 3; trigonal crystal system; specific gravity about 2.7.

Formation & geological history

Forms when calcium-carbonate-rich fluids precipitate in sedimentary cavities, veins, or fractures. Calcite occurs in rocks of many ages; the specimen’s age and exact origin cannot be determined from the image.

Uses & applications

Collected as a mineral specimen and used decoratively; calcite is also an important raw material for cement, lime, and agricultural applications.

Geological facts

Calcite effervesces in dilute acid and shows double refraction in clear pieces. Its color commonly comes from trace impurities or inclusions.

Field identification & locations

Identify by its soft hardness, rhombohedral cleavage, and acid reaction; common worldwide in limestone, caves, and hydrothermal veins. The image shows a cleavage-rich honey-colored piece.