Gemstone, black ocean jasper or black orbicular quartz, natural, 8x8 mm, round beads - Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 23 beads
Gemstone, natural ocean jasper or orbicular quartz, purple dyed, 8x8 mm, round beads - Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 23 beads
Gemstone, yellow brown ocean jasper or yellow brown orbicular quartz, natural, 8x8 mm, round beads - Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 23 beads