London Blue Topaz Heart Faceted Briolette Beads 7mm (6) 6 London Blue Topaz briolette faceted beads heart shape 7mm high and wide, ~3.5mm thick, over 10 carats/6 Side drilled at the narrow end, transparent gem quality 1 specified buys 6 beads, 3 buys 18 beads, etc. Use very fine cord and wire, small holes, 0.012" 0.3mm