Abalone Shell Flat Briolette Pendant. Abalone are known for their colourful inside shell and for being very strong. This pendant has White side panels and Abalone inlay. Abalone Shell Pendants are made from the most colorful of all nacreous shells. Abalone Shell Pendants are a combination of blues, greens and browns, with highlights of purple and pink. Size: 48mm x 58mm Shape: Flat Briolette Colour: Blues and Greens, and White Quantity: 1 piece