Natural stone beads Chalcedony rice Black-Sand Beige

Specifications Natural stone beads Chalcedony rice: • Our popular natural stone items are scientifically investigated by Hanco Zwaan, mineralogist at the Dutch Gemstone Laboratories in Naturalis. During this research, it became clear which type of rocks the beads are made of. The editing process of the items was researched as well, so that we can tell you exactly what materials your natural stone collection is made of! • This item consists of Chalcedony. This means that the bead is actually made of natural stone and has also undergone a chemical treatment. During chemical treatment, the material undergoes several stages. It is dyed, coated, heated, and processed. While the base material is natural, the colour and the finish are man-made. It is said that this rock has a calming effect. • Material: Natural stone with chemical treatment