Gemstone, African bloodstone (also called Seftonite or vulcan jasper), natural, 10x10 mm, round beads – Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 19 beads
Gemstone, natural impression jasper, emerald green dyed, 10x10 mm, round beads – A-grade, Mohs' hardness 3.5-4.0 - one unit is +/- 20 cm and has +/- 19 beads