Beautiful 6 mm African turquoise beads, as well as 6 mm lava beads. Use your favorite aromatherapy oils on the lava beads. Bracelets are made using stretch cord and are available in 7", 7.5", and 8". Because these are handmade, there may be slight variations in bead color. African Turquoise is a form of Jasper and is known as the stone of evolution. It supposedly opens up to bringing change needed in your life. Because this is handmade with love, there may be variations in stone color.