Although pearls are bound to have flaws, humans have always been obsessed with the pursuit of perfection since ancient times. As the saying goes, "There are no ugly women in the world, only lazy women." We are so smart and wise that we can "modify" the flaws of pearls through flexible design...
As the saying goes, "scarcity makes things valuable." Since perfectly round, flawless pearls are very rare, pearl defects are graded according to the degree of pearl texture. The types of pearl defects were mentioned in the previous paragraph. However, threaded pearls are more serious defects, and threaded pearls are of lower quality......
What are the types of pearl defects? Common surface defects of pearls include waistline, bulges (pimples, tails), depressions, wrinkles (grooves), damage, gaps, spots (black spots), needle marks, scratches, cracks, pits, and pearl layer peeling, etc.
From a physical perspective, pearls are mineral beads containing calcium carbonate produced by endocrine action, and are composed of a large number of tiny aragonite crystals. Based on such a structural material, the surface of the pearl should be smooth and without any flaws. However......
Venezuela is a pearl producing area that Columbus, a famous navigator in the late Middle Ages, opened up for Spain. In 1448, during his third voyage, Columbus accidentally landed on the South American continent and set foot on this fertile land for the first time. This place contains the harvest that the navigators have long coveted, not the friendly natives, but the gold and pearls on them...