Rhodonite is a manganese inosilicate mineral with a chemical composition primarily of ${\text{MnSiO}}_3$. It can also contain significant amounts of iron, magnesium, and calcium. Rhodonite is part of the pyroxenoid group of minerals and is known for its distinctive rose-pink to red color, often with black veining caused by the presence of manganese oxide. Here are some key points about Rhodonite:

Physical Properties

• Color: Typically rose-pink to red, sometimes with brown or gray hues.
• Luster: Vitreous to pearly.
• Transparency: Translucent to opaque.
• Streak: White.
• Hardness: 5.5 to 6.5 on the Mohs scale.
• Cleavage: Perfect in one direction, which can make it somewhat fragile.
• Fracture: Uneven to splintery.
• Specific Gravity: About 3.4 to 3.7.

Formation and Occurrence

Rhodonite forms in manganese-rich metamorphic environments, typically through contact or regional metamorphism. It can also form in hydrothermal deposits. Commonly, it is found in association with other manganese minerals like spessartine, manganite, and hausmannite.

Notable Locations

Rhodonite is found in several parts of the world, including:

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