mineral

Tumbled honey calcite

Calcite (calcium carbonate, CaCO₃)

AI-generated identification · may be incorrect

Creamy honey-yellow, translucent to opaque, with a waxy-to-vitreous luster and likely fine crystalline texture; Mohs hardness 3, perfect rhombohedral cleavage, and specific gravity about 2.71. The rounded shape indicates tumbling and polishing.

Identified August 19, 2026More mineral →

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Physical properties

Formation & geological history

Calcite precipitates from carbonate-rich groundwater, hydrothermal fluids, caves, and sedimentary environments; individual specimens may range from recent deposits to hundreds of millions of years old. The color commonly comes from iron or other trace impurities.

Uses & applications

Used for decorative stone, teaching specimens, metaphysical collecting, and occasionally carved objects; calcite is also important industrially in cement, lime, aggregate, and chemical production.

Geological facts

It fizzes vigorously with dilute hydrochloric acid and can scratch easily with a steel knife. Honey calcite is often confused with yellow aragonite or pale citrine, but its softness and rhombohedral cleavage are diagnostic.

Field identification & locations

Common localities include Mexico, Brazil, the United States, Iceland, and China. Test cautiously with acid on an inconspicuous spot; avoid vinegar if a pristine surface must be preserved.