High quality Multi-Coloured Tourmaline Semi-precious Gemstone round beads Quantity: one strand approx 21" long Size: approx 2.8mm - 3mm (170- 175 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 - 1.5mm in size. Bead hole size reference: approx 0.30mm - 0.40mm
