8x8 mm, round, gemstone beads, rhyolite, green, natural

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

Gemstone, rainforest jasper or rhyolite, Australia, natural, 6x6 mm, round beads – Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 32 beads

Gemstone, rainforest jasper or rainforest rhyolite, Australia, natural, 8x8 mm, round beads – Mohs' hardness 6,5-7.0 - one unit is +/- 19 cm and has +/- 23 beads

Gemstone, green rhyolite, natural, 8x8 mm, round beads – AA-grade, Mohs' hardness 7.0-7.5 - one unit is +/- 19 cm and has +/- 23 beads