10mm Shell Pearl Necklace White Gray And Black Gradient Color 29in

10mm Gradient Color White Gray Black Shell Pearl Necklace 29in Brand New Shell Pearl - laboratory Pearl Gradient Color Black, White And Gray Pearl Size: 9-10 mm 29 inches Alloy Clasp Shell Pearls are made from the inner lining of oyster shells, also known as Mother of Pearl. The substance is ground to a fine powder, shaped, dyed and coated with natural pearl nacre and then a protective coating to give it lustre. The shell pearl is a pearl made in the laboratory with natural materials but it is an imitation pearl.