Celtic Triquetra Knot Magic Amulet Black Agate Spiritual Powers Pendant 18 Inch Necklace Best Amulets Collection. Celtic Triquetra Knot Magic Amulet Black Agate Spiritual Protection Powers Gemstone Pendant on 18 Stainless Steel NecklaceCeltic Triquetra Knot Magic Amulet Black Agate Spiritual Powers Pendant 18 Inch Necklace Ready to wear with Gorgeous 18 inch Stainless Steel Link Style Chain Necklace . Pendant Size: 30 X 30mm. Natural Gemstone and may have Natural Specks and inclusions. Gemstones may look slightly different in Color and Pattern due to it's Unique Nature. Comes with Branded Packaging