Rock Identifier
Rhodonite in Matrix (Rhodonite (Manganese Silicate) - (Mn2+,Fe2+,Mg,Ca)SiO3) — mineral
mineral

Rhodonite in Matrix

Rhodonite (Manganese Silicate) - (Mn2+,Fe2+,Mg,Ca)SiO3

Hardness: 5.5-6.5 on Mohs scale; Color: Pink to rose-red with black manganese oxide inclusions; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific Gravity: 3.5-3.7

Hardness
5
Color
Pink to rose-red with black manganese oxide inclusions
Luster
Vitreous to pearly
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Physical properties

Hardness: 5.5-6.5 on Mohs scale; Color: Pink to rose-red with black manganese oxide inclusions; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific Gravity: 3.5-3.7

Formation & geological history

Formed through hydrothermal or metamorphic processes, typically in manganese-rich environments. Often occurs in contact metamorphic rocks and ore deposits of varying geological ages from Precambrian to Cenozoic.

Uses & applications

Used primarily as an ornamental stone, for lapidary work (cabochons, carvings, beads), and as a minor ore of manganese. Also highly valued by crystal collectors.

Geological facts

Rhodonite is the official state gemstone of Massachusetts, USA. Its name is derived from the Greek word 'rhodon', meaning rose. Historically, it was believed to ward off negativity and promote emotional balance.

Field identification & locations

Identify in the field by its distinct 'bubblegum' pink color contrasted with stark black dendritic or veiny manganese oxide inclusions. Commonly found in Russia (Ural Mountains), Australia, Brazil, and the USA (New Jersey/Massachusetts). For collectors, seek smooth textures and intense pink saturation.

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