Rock Identifier
Rhodonite ((Mn,Fe,Mg,Ca)SiO3) — mineral
mineral

Rhodonite

(Mn,Fe,Mg,Ca)SiO3

Hardness: 5.5 to 6.5 on the Mohs scale, Color: Pink to rose-red with dark black veins of manganese oxide, Luster: Vitreous to pearly, Crystal Structure: Triclinic, Cleavage: Good, Specific Gravity: 3.4 to 3.7

Hardness
5
Identified More mineral
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Physical properties

Hardness: 5.5 to 6.5 on the Mohs scale, Color: Pink to rose-red with dark black veins of manganese oxide, Luster: Vitreous to pearly, Crystal Structure: Triclinic, Cleavage: Good, Specific Gravity: 3.4 to 3.7

Formation & geological history

Formed in metamorphic environments, specifically in manganese-rich hydrothermal and contact metamorphic deposits.

Uses & applications

Used primarily as an ornamental stone, carved into beads, pendants, and figurines, and collected by mineral enthusiasts.

Geological facts

Rhodonite gets its characteristic pink color from manganese and its dark dendritic veins from black manganese oxide. It is the official gemstone of the Commonwealth of Massachusetts.

Field identification & locations

Easily identified by its distinctive pink color mottled with stark black manganese oxide inclusions. Commonly found in countries such as Russia, Australia, Sweden, Canada, and the USA.