... , oval, off-round, tear-drop, button, flat pearl, baroque pearl, keshi pearl, biwa pearl; flower-shape pearl and so ... variety of methods are used to create imitation pearls from starting materials that include glass, plastic, and actual ... in slightly different manners, include Parisian pearls, Paris pearls, French pearls, Bourguignon pearls and Venetian pearls.Mother-of-pearl pearl: crushed nacreous ...