Natural Kyanite Semi-Precious Gemstone FACETED round beads Quantity: one strand approx 15" long Size: approx 5mm (73 - 76 beads) Beads sizes do vary between different gemstones or even batches for the same gemstone. Please note that there could be a variation of up to 1mm in size. Beads hole size reference: approx 0.30mm - 0.40mm