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 Post subject: Gem Lab Teaching destructive testing
PostPosted: Mon Feb 03, 2020 2:46 am 
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Joined: Thu May 12, 2016 2:18 am
Posts: 697
I find it hard to believe, but here is a Gem Lab teaching destructive testing on mineral specimens, and polished gemstones.

Seriously its 2020 guys?

https://www.youtube.com/watch?v=TEDAVdLmVjA


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 Post subject: Re: Gem Lab Teaching destructive testing
PostPosted: Mon Feb 03, 2020 1:12 pm 
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Joined: Sun Oct 16, 2005 12:22 pm
Posts: 20054
Location: San Francisco
#-o Oh my.
At least we know which lab we shouldn't use for identification.


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