• 1
  • 2
  • 3
Come to where the knowledge is! Deutsche Gemmologische Gesellschaft eV (German Gemmological Association)

Coloured Stones Programme

Single week enrollment for those who wish to concentrate on a special subject within the Coloured Stones Programme. Please mind that G1 and G2 have to be completed before choosing any of the other courses G3-G10. Please mind that G11 can only be visited after completion of G1-G10. Please mind that G12 can only be taken part in after completion of G1-G11.

Coloured Stones Programme

Consisting of 11 single weeks (G 1-G 11) plus three days exam (G 12). Includes a 10 % discount of the total fee for G 1-G12.

details...

6.725,00 €

G1 Introduction to Gemmology

General definitions, formation, properties and features as well as application of gemstones.

details...

650,00 €

G2 Basics of Gem Identification

Structural, chemical and physical properties of gemstones and basis of investigation methods.

details...

650,00 €

G3 Advanced Gem Identification 1

Practical use of gemmological testing instruments.

details...

650,00 €

G4 Avanced Gem Identification 2

Practical identification of gemstones and imitations.

details...

650,00 €

G5 Specific Gem Identification 1: Corundum

Occurrences, properties, identification, synthetics and imitations as well as treatment of ruby and sapphire.

details...

650,00 €

G6 Specific Gem Identification 2: Beryl

Occurrences, properties, identification, synthetics and imitations as well as treatment of emerald and other beryl varieties.

details...

650,00 €

G7 Specific Gem Identification 3

Occurrences, properties, identification, synthetics and imitations as well as treatment of diamond, chrysoberyl, spinel, quartz and opal.

details...

650,00 €

G8 Commercial Gemmology

Criteria of gemstone evaluation and types of workmanship around gemstones.

details...

650,00 €

G9 Specific Gem Identification 4

Occurrences, properties, identification, imitations and treatment of peridot, garnet, zircon, topaz, zoisite, tourmaline, spodumene, etc.

details...

650,00 €

G10 Specific Gem Identification: Opaque gemstones and mounted gemstones

Properties, identification, imitations and treatment of turquoise, jade, lapis lazuli, feldspar, quartz etc., methods and practical identification of mounted gemstones.

details...

650,00 €

G11 Preparation course for the Coloured Stones final exam

Preparation of written gemstone reports, nomenclature, theoretical and practical preparation for the coloured stones final exam.

details...

650,00 €

G12 Coloured Stones final exam

Coloured Stones final exam.

details...

325,00 €

DGemG News

DGemG-Information:...

Bereits 1848 stellte der französische Chemiker Ebelmen kleine synthetische Spinellkristalle in einer Boratschmelze her. Das...
Mehr lesen...

DGemG-Information: Raritäten bei...

Neben den klassischen perlenbildenden Meeresmuscheln Pinctada imbricata, Pinctada fucata, Pinctada margaritifera, Pinctada...
Mehr lesen...

DGemG-Information: Turmaline aus dem...

Seit etwa 20 Jahren werden im Osten der Demokratischen Republik Kongo Turmaline in Edelsteinqualität zumeist im Kleinbergbau...
Mehr lesen...

DGemG-Information: Korallen im...

Eine immer wieder gestellte Frage im Themenbereich Koralle bezieht sich auf die aktuellen Bestimmungen des Artenschutzes und die...
Mehr lesen...

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site. You can change your consent at any time by clicking the Cookie Settings menu item in the footer of the website.