mineral

Rhodonite

Rhodonite (Mn2+SiO3 or (Mn,Fe,Mg,Ca)SiO3)

AI-generated identification · may be incorrect

Hardness: 5.5 - 6.5 on the Mohs scale; Color: Rose pink, flesh-colored, to brownish-red with pale or grey-white zones and dark manganese oxide veins/spots; Luster: Vitreous to pearly; Crystal system: Triclinic; Specific gravity: 3.57 - 3.76.

Hardness: 5
Luster: Vitreous to pearly

Identified October 3, 2026More mineral →

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Physical properties

Formation & geological history

Formed as a primary mineral in metamorphic manganese ore deposits, contact metasomatic deposits, or hydrothermal alteration zones.

Uses & applications

Commonly carved into decorative objects (such as eggs, spheres, and figurines), tumbled stones, cabochons, beads for jewelry, and kept as mineral specimens.

Geological facts

Its name comes from the Greek word 'rhodon', meaning 'rose'. Although high-grade rhodonite is known for its intense deep pink to red color with stark black dendritic patterns, lower-grade or weathered specimens can appear pale pinkish-grey or cream with faint markings.

Field identification & locations

Identified by its distinctive pink color, relatively high density, and moderate hardness. Major deposits occur in Russia (the Urals), Australia, Peru, Sweden, and the USA (notably Massachusetts, where it is the state gemstone).