Gemstone, Picasso jasper or Picasso marble (China), natural, 12x12 mm, round beads - Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 15 beads
Gemstone, spiderweb jasper or black veined jasper, natural, 12x12 mm, round beads - Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 16 beads
Gemstone, light warm grey or light taupe agate, natural, 6x6 mm, round beads - faceted - Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 31 beads