mineral

Yellow calcite (likely honey calcite)

Calcite, CaCO₃

AI-generated identification · may be incorrect

Small translucent golden-yellow crystal with a vitreous to slightly pearly luster and prominent cleavage; calcite has Mohs hardness 3 and trigonal crystal structure. Color and appearance alone cannot confirm the identification.

Identified October 10, 2026More mineral →

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Physical properties

Formation & geological history

Calcite commonly forms when calcium-rich fluids precipitate in veins, cavities, and sedimentary environments; it occurs from many geological ages. Yellow coloration can result from trace impurities or surface staining.

Uses & applications

Collected as a mineral specimen and used in cement, lime, and construction materials; attractive pieces may be polished or displayed.

Geological facts

Calcite effervesces in dilute hydrochloric acid and is readily scratched by a copper coin, useful checks when identification is uncertain.

Field identification & locations

Look for rhombohedral cleavage and test cautiously for acid reaction; calcite occurs worldwide in limestone, marble, and hydrothermal veins. The photo does not show enough detail to rule out other yellow minerals.