Glass Message Board
Glass Identification - Post here for all ID requests => Glass => Topic started by: scavo on August 27, 2011, 06:49:05 PM
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I was told a long time ago that you could tell the difference between crystal and glass glasses and vessels by tapping them.
If they are tapered/bell shaped then both will ring but crystal has more of a resonance to it. Glass has much flatter ring.
Am I talking out of my hat or does anyone else use this method to test for crystal?