Gemstone, black onyx, 10x10 mm, round beads – frosted, shiny polygon design – A-grade, Mohs' hardness 6.0-7.0 - one unit is +/- 19 cm and has +/- 19 beads
Gemstone, black onyx, 10x10 mm, round beads – large shiny facets on a frosted round background - Mohs' hardness 6.0-7.0 - one unit is +/- 19 cm and has +/- 19 beads
Gemstone, Picasso jasper or Picasso marble (China), natural, 10x10 mm, round beads - Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 19 beads