GIA Article: "Saltwater Pearls from the Pre- to Early-Columbian Era..."

[Pearl Dreams]

"Saltwater Pearls from the Pre- to Early Columbian Era: A Gemological and Radiocarbon Dating Study"

https://www.gia.edu/gems-gemology/fall-2017-saltwater-pearls-columbian-era

 

[Pareltje]

Interesting article, PD. Thanks for posting.

 

[BWeaves]

Interesting!