Gemstone, natural volcanic or lava rock, deep green-blue dyed, 10x10 mm, round beads – Mohs' hardness 3-3.5 - one unit is +/- 19 cm and has +/- 19 beads
Gemstone, natural volcanic or lava rock, warm black grey dyed, 10x10 mm, round beads – Mohs' hardness 3-3.5 - one unit is +/- 19 cm and has +/- 19 beads
Gemstone, leopard skin jasper or Mexican Rhyolite, natuurlijk, 10x10 mm, round beads - Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 19 beads
Gemstone, rainforest jasper or rhyolite, Australia, natural, 10x10 mm, round beads – Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 19 beads