Rhodonite - Premium-Grade Gemstone
The front of this rhodonite cabochon has been polished to a vitreous lustre. It boasts exceptional colour.
The black markings for which this mineral is known are caused by manganese oxides.
Rhodonite, which was discovered in the 17th century, is only used for decorative purposes.
Although well-formed crystals do occur, they're extremely rare. Most rhodonite is massive, meaning its crystals grow as a tightly intergrown mass, with no external shape.
The back of this rhodonite gemstone is unpolished.
