mineral

Honey calcite (likely)

Calcite — calcium carbonate, CaCO₃

AI-generated identification · may be incorrect

Translucent honey-orange mineral with vitreous to pearly luster and prominent rhombohedral cleavage; Mohs hardness 3, typically white streak, specific gravity about 2.71. The layered, irregular piece may be a cleavage fragment or lightly polished specimen.

Identified August 9, 2026More mineral →

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Physical properties

Formation & geological history

Forms when calcium-rich groundwater precipitates carbonate in veins, cavities, caves, and sedimentary limestone environments; individual crystals can form at many ages, from ancient deposits to modern cave growth.

Uses & applications

Used decoratively and by collectors; calcite is also important industrially in cement, lime, agricultural soil treatment, and as a calcium-carbonate filler.

Geological facts

Calcite effervesces strongly with dilute hydrochloric acid and shows double refraction through clear sections. Orange coloration commonly results from iron impurities or inclusions.

Field identification & locations

Common worldwide, including Mexico, Iceland, the United States, and China. Confirm with a hardness test against a copper coin or steel knife and an acid test on an inconspicuous area; do not confuse with harder honey-colored quartz or aragonite.