Amulet Howling Wolf Simulated Black Onyx Moon Pendant 18 Inch Necklace Best Amulets Collection. Amulet Howling Wolf and Simulated Black Onyx Moon Crystal Oval Shape Base Lucky Charm Pendant on 18" Stainless Steel NecklaceAmulet Howling Wolf Simulated Black Onyx Moon Pendant 18 Inch Necklace Overall Wolf Charm Size: 48mm X 33mm (Almost 2 inch long). Ready to Wear with Gorgeous 18 Link Style Stainless Steel Chain. Base Plating Color of the Charm may be slightly lighter or darker than pictured due to qualities of Base. Black Simulated Onyx is used to show more Perfection and Beauty.