Natural & Synthetic Gemstone Oval Multi-Strand Links, Shell Shape with Starfish Brass Links, Platinum, Rack Plating, Mixed Dyed and Undyed, Size: about 23.5mm wide, 26.5mm long, 11mm thick, hole: 2mm.Gemstone May Include: Natural Rhodonite & Synthetic Turquoise & Natural Snowflake Obsidian & Opalite & Natural Red Jasper & Natural Tiger Eye & Natural Howlite & Natural Rose Quartz & Natural Amethyst & Natural Green Aventurine & Natural Unakite & Natural Quartz Crystal & Synthetic Blue Goldstone & Synthetic Goldstone & Natural Lapis Lazuli and so on.