The colors of artificial shellfish are silvery white, golden yellow, malachite green, malachite blue and jet black. High-grade shell beads can only be made by some advanced processes. Such shell beads are pure in color, colorfast and easy to maintain. Artificial shell beads exude natural dazzling luster and are treasures in the jewelry industry.
Zhu Bei is an artifact. Merchants will electroplate its skin with silvery white, gold, black, empty shell orchid and other colors, and then coat it with bird droppings to make it have a pearl-like rainbow halo, creating a pure texture and dazzling colors. But it should be noted that the value of shellfish is not as high as that of pearls.