A two
year research project funded by the Swiss Gemmological Institute SSEF
to advance knowledge about pearls and to investigate the possibility of using
DNA to determine geographic origin of pearls.
The
amount of recovered DNA was sufficient to identify the mother oyster species of
studied pearls. The sampled pearls came from Pinctada Maxima, Pinctada
Margaritifera and Akoya oysters, which are the most
important species in the trade of natural and cultured marine pearls. Samples
also included Pinctada Radiata pearls
from the Arabian/Persian Gulf, Pinctada Maxima from both Australia
and Indonesia and Pinctada Margaritifera from Fiji and French Polynesia.
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