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Come to where the knowledge is! Deutsche Gemmologische Gesellschaft eV (German Gemmological Association)

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DGemG Gemmology Diploma Course

The most effective way of a gemmological education!

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Coloured Stones Programme

Your way to the world of coloured stones!

Characteristics, occurrences, practical gem testing with gemmological instruments, identification of synthetic stones, imitations and treated stones, evaluation criteria, preparation of gemstone reports.

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Diamond Programme

Your way to the world of diamonds!

Characteristics, practical grading, identification of synthetic diamonds, imitations and treated stones, preparation of diamond reports.

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Pearls/Organic Substances Programme

Your way to the world of pearls/organic substances!

Occurrences, species, qualities, imitations and treatment of pearls, cultured pearls, coral, ivory, amber.

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Third Party Certification of DGemG for development, planning and execution of gemmological seminars as well as educational programmes

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Quality seal "Innovative through research" by Stifterverband für die Deutsche Wissenschaft

Quality seal Innovative through research by Stifterverband für die Deutsche Wissenschaft

DGemG News

2. Arbeitstagung 2018

2. Arbeitstagung 2018 29. September 2018 DGemG-Ausbildungszentrum in Idar-Oberstein Thementag Alexandrit (Fachvorträge und...
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DGemG-Information: Raritäten bei...

Neben den klassischen perlenbildenden Meeresmuscheln Pinctada imbricata, Pinctada fucata, Pinctada margaritifera, Pinctada...
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1. DGemG-Arbeitstagung 2018

Die künstliche Eigenschaftsveränderung von Korunden stand im Mittepunkt der 1. Arbeitstagung 2018 der Deutschen Gemmologischen...
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DGemG-information: Glass-filled corundum

In the last years, the supply of treated rubies in the lower price range increased strongly. In their natural state, these...
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European Gemmological Symposium 2019

Preliminary Programme Friday, May 24, 2019 Park Hotel Idar-Oberstein 18.00 Welcome Saturday, May 25, 2019 Stadttheater...
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Roter und grüner Quarz aus Tansania

Seit einiger Zeit werden rote und grüne Quarze im Handel angeboten, die aus einem Vorkommen im Norden Tansanias stammen....
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