Dumortierite, Dumortierite Beads, Blue Stone Beds, Patience, Third Eye Chakra, Chakra Balancing, Healing Stones Chakras: Crown, Third Eye, Throat Usage: Dumortierite is a stone that teaches you to stand up for yourself. It will help you to take control of your own life and increase your level of patience. This crystal is very stimulating to the brain and brings enhanced intellectual abilities as it assists with all mental skills, both mathematical and language based. For bracelet, necklace, or other crafts, jewelry makings. Strand Length: 15.5 in Bead Size: 3mm Hole Size: Approx. 0.7mm Approximate No. of Beads per Strand: 136/68 QTY: 1 Strand Note: Half strand beads will be packed in a jewelry ziplock bag as they will become loose beads, once cutted from a full strand. ★Ship from CA, USA★ All sizes are approximate Lead Free & Cadmium Free & Nickel Free Please make sure to choose the color of your choice from the options menu.