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1 When two pieces of authentic pearls are scrubbed, the feeling is murmurous, pearl powedr turns
out and the surface of pearls has not any scrub trail.
2 Lick the pearl ,the authentic pearl tastes acerbity, slightly coarse, and not smooth.
3 Touch the pearl by hand, fake pearl is greasy, and the authentic pearl is smooth, and cool when
wearing around the neck.
4 Test by fire. Fake pearl appears spark, the burning area turns black and the surface of pearl
sheds. The burning area of authentic pearl will not turn black and maintains intact.
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