How to Identify Glass and Crystalby Pitter B. jewelry
Jewelry suppliers introduce several ways identify glass and crystal:
First, from the sound identification, finger shells hit the vessel heard the sound will be different, if the crystal sound crisp, as if the feeling there will be lingering clouds, such as metal-like impact, the sound of glass China stuffyweight, no response.
Second, up from the weight difference between the same two items, the weight of the crystal than glass.
Third,rom the photorefractive degrees up the difference between them, usually crystal products in the same light refractive index than the high glass, crystal injection Colorful light, while the glass was not.
Fourth, from the hardness difference between the usual crystal harder than glass.
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Company；yiwu dushang jewelry co,ltd
Adress:3f,No.13-15,Building 4,A zone, Futian jewelry street,yiwu city,zhejiang,china
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Created on May 8th 2012 20:11. Viewed 81 times.