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Digits in Ethiopian opals
https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=20&t=26242
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Author:  Stephen Challener [ Fri Aug 20, 2021 10:13 pm ]
Post subject:  Re: Digits in Ethiopian opals

I discussed and sent Rondeau a sample of Australian opal with digits, and then never heard from him again.

Author:  Barbra Voltaire, FGG [ Fri Aug 20, 2021 11:02 pm ]
Post subject:  Re: Digits in Ethiopian opals

Stephen Challener wrote:
I discussed and sent Rondeau a sample of Australian opal with digits, and then never heard from him again.


That's disappointing, not to mention, the waste of an interesting opal and incurred postage charges.
His contact info has remained the same; it's all listed on this page:
https://www.univ-nantes.fr/benjamin-rondeau

Perhaps a follow up letter, in French, might be in order.

Author:  Stephen Challener [ Sat Aug 21, 2021 2:20 am ]
Post subject:  Re: Digits in Ethiopian opals

It was back in 2014. I'm guessing it just went to the bottom of the pile, but let's just say I'm glad my next attempt at collaborating with an established gem researcher went a lot better.

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