8x8 mm, round, gemstone beads, sponge quartz, sinbad blue

Gemstone, Dalmatian jasper or Dalmatian stone, Mexico, natural, 8x8 mm, round beads – faceted – Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 23 beads

Gemstone, natural volcanic or lava rock, waxed and dyed black, 8x8 mm, round beads – Mohs' hardness 3-3.5 - one strand is +/- 19 cm and has +/- 23 beads

Gemstone, lapis lazuli, dyed, 8x8 mm, round beads - A+-grade, Mohs' hardness 5.0-6.0 - one unit is +/- 20 cm and has +/- 23 beads

Gemstone, natural striped agate, blue dyed, 8x8 mm, round beads – Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 23 beads