Worn only twice, like new 1.85"L X 0.73"W Material Abalone Shell Abalone Shell is the artful inner shell of a mollusk, whose hard, rock-like outer shell disguises the moody natural mix of blue and green underneath. Never dyed or enhanced in any way, Abalone Shell is one of nature’s most dazzling materials. Please note: Due to the one-of-a-kind nature of the medium, exact colors and patterns may vary slightly from the image shown.