mineral

Honey calcite (likely)

Calcite, calcium carbonate (CaCO₃)

AI-generated identification · may be incorrect

Translucent honey-yellow and white, with vitreous to pearly luster and probable cleavage surfaces; Mohs hardness 3, trigonal crystal structure, and specific gravity about 2.71. The coloration may result from iron or organic impurities.

Identified August 20, 2026More mineral →

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Physical properties

Formation & geological history

Likely formed in a carbonate vein, cavity, or sedimentary limestone environment through precipitation from mineral-rich groundwater; its exact geological age cannot be determined from the image.

Uses & applications

Used as a decorative and collecting specimen; calcite is also important in cement, lime, aggregate, soil treatment, and chemical manufacturing, though this small piece has no practical industrial value.

Geological facts

Calcite effervesces vigorously in dilute hydrochloric acid and shows strong birefringence, producing doubled images when viewed through a clear fragment.

Field identification & locations

Test a discreet spot with vinegar or dilute hydrochloric acid, look for rhombohedral cleavage, and avoid scratching it with steel because it is relatively soft. Common worldwide, especially in limestone regions and hydrothermal veins.