SSEF has successfully age-dated the historic pearl using carbon 14 (14 C) providing new information on the age of a gem.
Useful link:
https://www.ssef.ch/ssef-performs-first-ever-radiocarbon-age-dating-procedure-on-historic-ana-maria-pearl-to-be-sold-as-lot-264-at-christies-magnificent-jewels-sale-in-geneva-in-may
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