Natural Cloudy Aquamarine Semi-Precious Gemstone Round beads Quantity: one strand approx 15" long 2 sizes available: approx 8mm (43 - 48 beads), 12mm (26 - 30 beads), please choose your preferred size from the selection boxes 12mm have 2 options as they are different clarities. Please see photos. 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: 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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