Amethyst Micro Faceted Rondelle Beads Tiny 3mm Strand Amethyst Purple Quartz Faceted Rondelle Bead Small size, about 3.3mm, sizes vary slightly 13" ~130 beads, micro facets, machine cut Use 0.012" wire or cord and 28 gauge wire Genuine natural suitable for fine jewelry; use 0.012" wire or cord and 28 gauge wire