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There are many kinds of pearls, before you buy a pearl jewelry; you must know what kind of pearl do you need. Then you should know how to classify the pearls. There are many ways to classify pearls. The following are the most common ways. They can help you to choose the pearl jewelry you like.
1) By growth method. It is suitable for the pearls whether they are natural or cultured.
2) By water types. It is suitable for the pearls whether they are freshwater or saltwater.
3) By color. It is suitable for the pearls that are white, black, green, gold, variegated, etc.
4) By shape. It is suitable for the pearls that are round, near-round, drop, Baroque, etc.
5) By size. It is suitable for the pearls that are little (2-5 mm), bead pearls (5-5.5 mm), medium (5.5-6.5 mm), large (6.5-7.5 mm), extra large (7.5-8.5 mm) and super large (8.5 mm and up).
6) By region. It is suitable for pearls whether they are East pearls, West pearls, South pearls, Chinese pearls, Australian pearls, etc.
7) By usage. It is suitable for the pearls whether they are used for medicinal purposes or for ornamentation.
8) By content. It is suitable for the pearls that contain stones, sand grains, or other irritants.
9) By source. It is suitable for the pearls whether they are detached or blister.
10) By nacre thickness. Depending on the type of pearl, different nacre thicknesses will produce different diameters.
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