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, spiderweb jasper or black veined jasper, natural, 8x8 mm, round beads – frosted – Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 23 beads