Celtic Triquetra Knot Amulet Green Quartz Good Luck Pendant 18 Inch Necklace Best Amulets Collection. Celtic Triquetra Knot Magic Amulet Green Quartz Good Luck Powers Gemstone Pendant on 18 Stainless Steel NecklaceCeltic Triquetra Knot Amulet Green Quartz Good Luck 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