1 Strand Micro Faceted AAA Quality Natural Multi Tourmaline 13" Full Length 7x5mm Oval Rondelle Beads Necklace (RLMT-70023) - 1 strand of 13". AAA Quality Beads. - High Quality Faceted Beads. 7x5 mm in Size - Natural Beads for DIY, Jewelry Making and Crafts - Beads temporarily strung. Use single beads or restring - Comes with a signed Certificate of Authenticity from GemMartUSAInc