Tahitian Pearls - pearl jewelry design

Tahitian pearls generally develop a nacre coating 2 to 3 millimeters thick. Though the survival rate of nucleated Tahitian pearl oysters is low, some may be nucleated up to 4 times, the last time being to produce a "mabe" pearl - a half-spherical cultured pearl grown on the inside shell of an oyster rather than within its body. Technicians take great care not to damage the oysters when removing pearls. If, after extracting a pearl, a technician determines the oyster is healthy, he or she will immediately insert another nucleus to produce another pearl. Tahitian pearls undergo no form of chemical processing or enhancement. When harvested, they are simply cleaned, dried and lightly polished. Try look the quality, and shape