Amulet Lucky Coin Charm Donut in Cherry Red Quartz Powers Antiqued Pendant Necklace Best Amulets Collection. Amulet Lucky Coin Charm Donut in Cherry Red Quartz Protection Powers Antiqued Stainless Steel Pendant on Adjustable Cord NecklaceAmulet Lucky Coin Charm Donut in Cherry Red Quartz Powers Antiqued Pendant Necklace Overall Charm Size: 30mm, Stainless Steel Lucky Coin Charm Size: 20mm Gemstone Donut is Made from Quartz Gemstone and Lucky Coin is made from Stainless Steel. Natural Quartz is Dyed in Cherry Red Color. Treatment is Not Permanent. Ready to wear with Cotton Waxed Cord which Adjusts from 15 up to 24 inches long and you may wear it any length you desire.