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Welcome to the gemological information system. Soon you will find news from the gem world here, bookmark our page now.
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Dr. Joachim W. Zang, Mineralogist, Gemologist Tiefensteiner Str. 223 a, D-55743 Idar-Oberstein, Tel.: (+49) 6781-33210, Fax. 35958, e-mail: Joachim.Zang@T-Online.de