Genuine blue topaz triangle shape gemstone charm necklace . Stamped 925 on the back of the charm . Pendant is set in sterling silver overlay . Wheat link Chain is Stainless steel and is 18 inch long ( not a double layer necklace but if you want a different length chain lmk it is handmade and I could make any size you prefer ) . It is nickel free , allergy free , hypoallergenic , no itching . Celtic knot maille details on each sides of charm. Genuine Indian blue topaz (3) . You will get exactly the one in the pictures ) ( only one available / One of a kind necklace ) TAGS : moon phase / moon charm / Wicca / moon child / Gem / gems / #gemstones / crystals / stones / boho / #bohemian / St valentine / goth / gothic / witch / Viking / gifts / urban / date night / mermaid /abalone / pearls / shells / beach / ocean / fossils / anniversary / bohochic / queen / celt / celtic / fairy / rock & roll / Rocker / rock chic / biker / gift / Stylish / trendy / festival / #silver choker necklaces / luxury / casual / every day jewelry / night out / going out / party / clubbing / medieval fair / renaissance / Bali stones / Hippie / gypsie / yoga / #natural healing stones & crystals / zen / light blue stones / maille jewelry/ chain necklaces/ chokers