Amulet Triangle Protection Celtic Triquetra Red Jasper Pendant Necklace Best Amulets Collection. Amulet Triangle Protection Celtic Triquetra Red Jasper NecklaceAmulet Triangle Protection Celtic Triquetra Red Jasper Pendant Necklace Amulet Size: 30mm Comes with Stainless Steel Celtic Triquetra Charm Comes with Adjustable Necklace, Shortest: 17 inches, Longest: 24 inches Comes with Branded Packaging