Celtic Triquetra Knot Protection Amulet Green Serpentine Gemstone Heart Pendant Necklace Best Amulets Collection. Celtic Triquetra Knot Protection Amulet Green Serpentine Gemstone Heart Pendant NecklaceCeltic Triquetra Knot Protection Amulet Green Serpentine Gemstone Heart Pendant Necklace Pendant Size: 45mm (about 2 inches) Comes in Green Serpentine Gemstone and Stainless Steel Celtic Charm Comes with Adjustable Necklace, Shortest: 15 inches, Longest: 24 inches You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!