Natural Mixed Rainbow Tourmaline semi-precious gemstone round beads Quantity: one strand approx 15" long Size : approx 4mm ( 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 0.5mm in size Packed and dispatched from West Yorkshire, UK Beads hole size reference: 4mm round beads hole size - approx 0.6mm 6mm round beads hole size - approx 0.8mm - 1mm 8mm round beads hole size - approx 1mm 10mm round beads hole size - approx 1mm - 1.2mm
