Gemstone, aquamarine or blue beryl, pale blue, natural, 7x8 mm, round English cut beads – faceted – Mohs' hardness 7.5-6-8.0 - one unit is +/- 19 cm and has +/- 23 beads
Gemstone, Arrábida brecciated jasper or Arrábida marble, natural, Portugal, 8x8 mm, round beads – frosted – Mohs' hardness 6.5-7.0 - one unit is +/- 19 cm and has +/- 23 beads