Hypersthene is a magnesium and iron silicate mineral with a hardness of 5.5 to 6. It is related to Labradorite and other feldspar minerals. It is dark gray, black or brown. It was discovered in America, Europe, Asia, Australia and New Zealand.
All minerals used for the creation of our kombolois are mostly gemstones used to craft jewelry. Handle this komboloi with care. Inclusions, cracks and breakage surfaces are a natural phenomenon and should never be associated with wear and tear.