mineral
Honey calcite (likely)
Calcite, CaCO₃
AI-generated identification · may be incorrectTranslucent honey-yellow to cream, vitreous to pearly luster, with visible cleavage faces; Mohs hardness 3, trigonal crystal structure, and specific gravity about 2.71. The rough, irregular piece is consistent with calcite, though photo identification is not definitive.
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Physical properties
Translucent honey-yellow to cream, vitreous to pearly luster, with visible cleavage faces; Mohs hardness 3, trigonal crystal structure, and specific gravity about 2.71. The rough, irregular piece is consistent with calcite, though photo identification is not definitive.
Formation & geological history
Calcite forms in sedimentary and hydrothermal settings, including limestone cavities and veins; it occurs from many geological ages. Yellow coloring commonly comes from trace impurities or inclusions.
Uses & applications
Used as a decorative and collecting mineral; calcite also serves as a major raw material for cement, lime, and agricultural applications.
Geological facts
Calcite effervesces in dilute acid and is readily scratched by a steel knife. Its strong double refraction is especially visible in clear crystals.
Field identification & locations
Look for softness, prominent rhombohedral cleavage, and vigorous fizz with dilute acid. Calcite is widespread worldwide, including limestone regions and hydrothermal veins.
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