Natural Black Tourmaline Semi-Precious Gemstone Beads - Flat Heishi Rondelle Disc Spacer - 4mm x 2mm - 15'' Strand

High Quality Grade A Natural Black Tourmaline Semi-Precious Gemstone Flat Rondelle / Disc Beads

Quantity: one strand approx 15" long

Size per bead: approx 4mm x 2mm ( 175 - 180 beads approx )

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 per bead

Beads hole size reference:

2mm round beads hole size - approx 0.30mm
4mm round beads hole size - approx 0.60mm
6mm round beads hole size - approx 0.80mm - 1mm
8mm round beads hole size - approx 1mm
10mm round beads hole size - approx 1mm - 1.2mm