Deutsche Gemmologische Gesellschaft

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Pearls/Organic Substances Programme

The one week Pearls/Organic Substances Programme provides all aspects of pearls, natural and cultured, and other organic substances, such as amber, coral, ivory and horn.

P/OS Pearls/Organic Substances

Their compositions, natural origins, artificial treatments, detection of imitations and correct nomenclature are also covered. The Pearls/Organic Substance Programme ends with the final exam on the last day.


550,00 €