www.aypearl.com tell you The knowledge of pearl jewelry
The seawater pearl jewelry is also called the sea bead, and the south sea bead, the differences between freshwater pear mainly are the following several aspect .you may carry on the distinction according to this: wholesale jewelry
1. From shape: the seawater pearl inserted the nucleus cultivation the sea water pearl, generally is the circular pearl. If the pearl is partial to Flat circular bead, it is the fresh water pearl, because the freshwater pearl jewelry majority is the non-nuclear cultivation, is difficult to obtain the proper circle pearl, generally is the rice shape, the ellipse, oblate. therefore judges a bead whether the south bead, obtains from the shape is very essential. seawater pearls circle rules were relatively spherical, and freshwater pearls are more and more oval, flat circle, and the surface more than Cristaria;
2, Size: seawater pearls than freshwater pearl, and sea water pearls beads diameter is generally from 6 to 7.5 millimeters, and freshwater pearls will be much smaller particles; costume jewelry
3. From slight defect: seawater pearl bead pole of the face unusual thread shape's slight defect appears (, even if is very shallow thread), the pale water drop's thread is common, once therefore the top grade bead chain presents the thread shape the slight defect to present (, even if is very shallow thread), you may judge this bead chain are the freshwater pearl, but is not the south bead.
4. From feel: sea water pearls feel relatively exquisite, freshwater pearl jewelry feel thick, has the rough feeling.
5. From gloss: , seawater pearl gloss is generally speaking magnificent, the sense of reality pale water drop is insightful. other, regarding the non-top grade bead chain, in the shape, south the bead not round bead assumes the water drop trend, jueshao has the oblate trend. wholesale crystal
6, the survival rate: General seawater wholesale pearl for 50 percent survival rate, and in this context into the beads are only 40 percent; and freshwater pearls will be much higher survival rate;
7, pearl output: general three seawater fucata only produce a pearl, and a fresh water can be formed fucata about 20 pearls;
8, growth environment: the sea pearls is more natural in an open seawater growth (there are more nutrients and plankton), while freshwater pearls are more waters in the relatively closed environment of growth;
9, medicinal efficacy: seawater pearls medicinal ingredients is generally higher than freshwater pearls, medicinal value higher
freshwater pearl jewelry handmade jewelry have the biggest shortcoming:
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