Shaded Amethyst Micro Faceted Rondelle Genuine Natural Beads Strand ~3.3mm 13" Amethyst Purple Quartz faceted rondelle beads strand various shades 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