4 Tahitian Mop Shell Flat Rectangle Beads 4380FOUR GLAMOROUS TAHITIAN Mother of Pearl Shell Flat Rectangle Beads! These beads come from farmed mollusks. They are made from the shells of the oyster that give birth to the magnificent Black South Sea Pearls. Use these beads to add the exotic wild beauty of the South Pacific and a touch of sophisticated elegance to your designer pieces. These beads are precision cut and drilled and are the fine quality our wonderful customers have to come to expect