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re: How to tell crystal from glass

Posted on 7/15/14 at 7:19 pm to
Posted by Ray Penpillage
Western Slope
Member since Nov 2010
9409 posts
Posted on 7/15/14 at 7:19 pm to
quote:

If you wet your finger and run it across the rim of the cup, crystal sings ( ). Where as glass does not.


Glass will produce a tone, but crystal will more easily I presume.
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