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Herausgeber:
Deutsche Gemmologische Gesellschaft e.V.
Prof.-Schlossmacher-Str. 1
D-55743 Idar-Oberstein
Herausgeber:
Deutsche Gemmologische Gesellschaft e.V.
Prof.-Schlossmacher-Str. 1
D-55743 Idar-Oberstein
G1 Introduction to Gemmology + G2 Basics of Gem Identification
Occurrences, properties, identification, synthetics and imitations as well as treatment of ruby and sapphire.
Fee: EUR 700.00
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