metamorphic

Pink calcite marble (probable)

Calcite, CaCO₃; recrystallized limestone (marble)

AI-generated identification · may be incorrect

Pale pink to white, sugary crystalline texture with salmon-pink veining and a vitreous-to-pearly luster. Calcite has Mohs hardness 3, perfect rhombohedral cleavage, and specific gravity about 2.71; it effervesces strongly in dilute hydrochloric acid.

Identified September 21, 2026More metamorphic →

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Physical properties

Formation & geological history

Likely formed when limestone recrystallized during regional or contact metamorphism, with iron or other impurities producing the pink coloration. The specimen’s exact geological age and locality cannot be determined from the photograph.

Uses & applications

Used as decorative and architectural stone, aggregate, sculpture material, and occasionally as a lapidary or ornamental specimen. Common pieces have modest collecting value.

Geological facts

The irregular pale-pink bands may reflect calcite-rich veins or compositional layering rather than true uniform marble. A steel nail should not scratch it easily, but a copper coin may; acid testing is diagnostic.

Field identification & locations

Commonly found in metamorphic belts and marble quarries worldwide, including Italy, Greece, Vermont, Mexico, and India. Confirm identification with a streak/acid test and hardness test, while avoiding acid if preservation matters.