Round jewelry stones or semi-precious stones in Rhodonite, the stone has a hole of about 0.8 mm is sold on a string of about 38-40 cm with about 100 stones
Rhodonite is a mineral belonging to the silicates and pyroxenoid family. Its main components are manganese and silicon with inclusions of iron, zinc, magnesium and calcium and has a hardness of 5.5 to 6.5 on the Mohs scale, giving it a medium hardness.