Czech Seed Beads 6/0 'Blue Turquoise Grotto' Mix (1 Ounce) Czech 6/0 Seed Beads In Color - Turquoise Grotto- in shades of bright blue turquoise and browns, in finishes varying from opaque to opaque matte to pearl. Measurements: Bead length 3mm, bead diameter 4mm. Hole size approximately 1mm. When strung, approximately 8.3 beads per inch. Quantity: One ounce. Approximately 440 Mixed 6/0 beads. Origin: Czech Republic