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Rapid detection method of jewelry and jade
Water drop identification method.

1. First, use the water drop identification method to drop a drop of water on the jewelry and jade.

2. Secondly, check the shape of dew and make a judgment.

3. At last, the shape of dewdrop lingers for a long time, and the water drops disappear quickly, which is a fake and shoddy commodity. For jade detection, this is the fastest method.