It is with great sadness I'd like to announce Dr. Hanneman passed away on December 12, 2020. His legacy will live on forever!
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 Post subject: An interesting article on gem I.D. using photoluminescence
PostPosted: Thu Jul 23, 2015 1:29 pm 
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I though that this was a very interesting article.
http://oceanoptics.com/identifying-natural-and-synthetic-gems/?utm_source=OOI+eNewsWire+July+2015&utm_campaign=eNewsWire+-+July+2015&utm_medium=email

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 Post subject: Re: An interesting article on gem I.D. using photoluminescen
PostPosted: Thu Jul 23, 2015 6:14 pm 
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With proper reference to our own Alberto and Mikko.


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