60CTS Apatite graduated plain wheels.
Apatite is a group of phosphate minerals, usually hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH⁻, F⁻ and Cl⁻ ion, respectively, in the crystal.
The beads in this 31cm strand are between 3x1mm and 5x2mm in size.
Origin : Africa