These are fine Chinese 4.5-5mm turquoise heishi beads. The wonderful color of these Chinese turquoise beads is 100% natural. These turquoise beads have been stabilized, but not dyed or enhanced. Each bead is unique in size and coloring, not two strands are exactly alike. This semi precious gemstone is said to be the stone of communication, helping those who have a fear of public speaking. In the same vein, turquoise is considered to be a stone of friendship, strengthening the bond between friends. These turquoise beads are very limited!!!