mineral

Likely honey calcite (rough calcite)

Calcite, CaCO₃

AI-generated identification · may be incorrect

Pale honey-yellow, translucent, with a glassy to pearly luster and visible cleavage-like surfaces; Mohs hardness 3, trigonal crystal system, specific gravity about 2.7. The photo’s strong backlighting limits confident identification; similar quartz or other pale minerals are possible.

Identified October 13, 2026More mineral →

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Physical properties

Formation & geological history

Calcite forms in sedimentary deposits, hydrothermal veins, and cavities in limestone, often precipitating from calcium-rich water. Its age cannot be determined from the image and may range from recent deposits to ancient bedrock.

Uses & applications

Used in cement and lime production, soil treatment, and as a decorative or collectible mineral; clear, attractive pieces may be cut or polished.

Geological facts

Calcite reacts readily with dilute acid, producing bubbles of carbon dioxide; its low hardness and prominent cleavage distinguish it from quartz.

Field identification & locations

Check for softness (a steel knife can scratch it) and acid fizz on an inconspicuous spot; common sources include limestone regions worldwide. The image alone is insufficient to confirm the mineral.