Amulet Large Puffy Heart Lucky Charm in Purple Quartz Pendant 18 Inch Necklace Best Amulets Collection. Amulet Large Puffy Heart Lucky Charm in Purple Quartz Gemstone Good Luck Powers Pendant on Stainless Steel 18 NecklaceAmulet Large Puffy Heart Lucky Charm in Purple Quartz Pendant 18 Inch Necklace Made from Natural Quartz Gemstone. May or will have natural specks and inclusions. Heart Charm SIZE: Approximately 30 X 35mm and 10mm Thick. Natural Quartz is Dyed in Purple Color. Treatment is Not Permanent. The Natural Properties of Mined Gemstones define the Unique Beauty of each piece. The Image may show slight differences to the actual stone in color and texture.