Thread: Ivory or bone ?
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Old 27th June 2016, 05:34 PM   #25
Bob A
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Join Date: Feb 2014
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Quote:
Originally Posted by thinreadline
What is the rub test ?
I vaguely recall that one can rub suspect ivory until it is warmed, then smell it; a camphor odor would indicate that it was a man-made imitation. I don't have a reference for this, my failing memory will have to serve.
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