According to the growing environment, pearls are mainly divided into freshwater pearls and seawater pearls. Freshwater pearls grow in the field of fresh water, with a diameter of 3- 14mm, soft luster and mainly white. At present, freshwater cultured pearls in China account for more than 90% of the world's total output. There are many kinds of seawater beads, mainly Japanese Akoya, Tahiti black pearl, Australian white and Nanyang golden pearl.
Akoya is mainly produced in Japan and cultured by shellfish in Marcello Malpighi. A shellfish can only breed one pearl, and its output is much less than that of freshwater pearls. The diameter is generally 5-9 mm, and its halo colors are pink, blue-green and silver, of which pink is the most expensive. The glossy feeling has a crystal clear and moist feeling, which is more delicate and round than fresh water beads and has higher quality. Among them, about 65,438+00% of the fine products are called "Flower Beads", and the top products in Flower Beads are called "Goddess Beads".
Tahiti black pearl is one of the rarest and most precious pearls, with a diameter of 8- 16mm. Tahiti black pearl is produced in the world-famous black pearl breeding ground, located in Tahiti in the South Pacific Ocean; Only one or two pearls per 100 are perfect and very precious. Black pearl is beautiful not only because it is rare, but also because its black tone can be changed into malachite green, black purple and sea blue. Malachite green is the first-class product of black pearl.
Nanyang Golden Pearl refers to pearls produced in countries along the South Pacific, mainly in Australia, the Philippines and Indonesia. Its diameter is generally 9- 16mm, and it is known as the "Pearl Queen". Soft color, round appearance, smooth skin, mainly light gold, a small amount of strong gold. The larger the diameter, the higher the price and the rarer it is.
Australian white is a kind of Nanyang pearl, which is the same kind of pearl as Nanyang Golden Pearl, but the color is different. Mainly produced in the northern waters of Australia and the offshore of the Philippines. Its diameter is generally above 10mm, and the top level can reach 20 mm. The thick pearl layer makes it very textured. Different from Japanese Akoyal's delicate pink, the white body color of Nanyang White Pearl is often silvery and white, and Leng Yan is mysterious, with its own aura of queen.