Material: (Not Treated or Dyed) Natural Black Lava (10mm is waxed) Shape : Round Color: Black Size: 4mm - Approx 92 Beads Per Strand 6mm - Approx 65 Beads Per Strand 8mm - Approx 48 Beads Per Strand 10mm - Approx 38 Beads Per Strand 12mm - Approx 33 Beads Per Strand Hole Size: Approx 1.0mm The Lava Mined in China Note: -Gemstone bead sizes are approximate and may have a +/- 0.5mm difference. -Gemstone bead drill hole sizes are approximate and may have a +/- 0.2mm difference. Spend More! Save More! 10% Off When You Spend Over $50 15% Off When You Spend Over $100 20% Off When You Spend Over $200   stone loose polished strand beads precious gemstone jewerly making