Dr.-Ing. Juergen Weyer

Dr. Juergen Weyer works at the Institut fuer Bergbau and Spezialtiefbau at the Technische Universitaet Bergakademie in Freiberg, Germany.

He has visited Sri Lanka gem mining sites several times and given presentations to local organizations. He is also involved in other projects around the world.

Here his presentation Edelsteine und Edelsteinbergbau in Sri Lanka, PDF (in German)

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