Large Hole Beads (Greek Ceramic Beads, Midnight Emerald): Ceramic bead rondelles or very short tubes, Midnight Emerald, 6mm x 4mm. We use them as spacers or end beads before the bead tips. These ceramic beads, Midnight Emeraldare exceptionally hard wearing due to the high temperature used when firing the Midnight Emerald onto the ceramic base. These are beads with 4mm large holes, very individually shaped--not for perfectionists.