TheTasteJewelry 4mm Round Black Tourmaline Beads 15 inches 38cm Jewelry Making Necklace Bracelet Healing Power All our Black Tourmaline beads are genuine natural authentic, not dyed. Semiprecious Gemstone Strand 15 inches = 38cm, hole size: ~0.9-1mm. Genuine & carefully selected. All parcels ship very fast and safe 8-15 days Registered Post with tracking. DHL EXPRESS 6 days max. TheTasteJewelry Wholesale business since 1996 with over 10K products and 1000000+ customers. All Beads are from stock lots. Images are representing, color can slightly vary as natural items.