CIBJO releases Gemmological Special Report: considers process of separating measurable facts from opinion; See Gemological Articles below.
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 Post subject: Deep earth diamonds
PostPosted: Fri Aug 23, 2019 7:46 am 
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Joined: Mon Aug 28, 2017 10:39 am
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Location: Birmingham - England
Those of you interested in geology/diamonds may find
this report of diamonds with encapsulated helium-3 of interest.

https://www.newscientist.com/article/2213571-super-deep-diamonds-contain-traces-of-a-pristine-chunk-of-early-earth/
(you dont need to register to read this one)

john


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