metamorphic
Polished rhodonite
Rhodonite, (Mn,Fe,Mg,Ca)SiO₃
AI-generated identification · may be incorrectLikely a cut and polished rhodonite cabochon or fragment, with pink groundmass and dark manganese-oxide veins. Rhodonite is triclinic, typically Mohs 5.5–6.5, with a vitreous-to-pearly luster; the image alone cannot confirm its identity or properties.
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Physical properties
Likely a cut and polished rhodonite cabochon or fragment, with pink groundmass and dark manganese-oxide veins. Rhodonite is triclinic, typically Mohs 5.5–6.5, with a vitreous-to-pearly luster; the image alone cannot confirm its identity or properties.
Formation & geological history
Rhodonite forms in manganese-rich metamorphic deposits and related hydrothermal settings; its age depends on the host deposit. The specimen appears shaped and polished by humans.
Uses & applications
Used for ornamental carvings, beads, cabochons, and small decorative objects; rarely used as a manganese ore.
Geological facts
Dark veins in rhodonite are commonly manganese oxides, especially pyrolusite or related minerals.
Field identification & locations
Pink color with dark dendritic or streak-like manganese-oxide markings is characteristic; confirm with hardness, streak, and mineral testing. Occurs in places including Massachusetts, Sweden, Russia, and Australia.
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