High quality Grade A Natural Trolleite Semi-precious Gemstone round beads. Quantity: one strand approx 15" long Sizes available: approx 4mm (84 - 88 beads), approx 6mm (60 - 66 beads), approx 8mm (43 - 48 beads) or 10mm (approx 36 - 40 beads), please choose your size option from the selection menu under the title. 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. 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
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