Volker Schwarz
Gemmologist and gem designer (university of applied science)

Vollmersbachstrasse 42
Germany , 55743 Idar-Oberstein

tel.:    +49 (0) 6781 - 235 18
fax:    +49 (0) 6781 - 235 18
e-mail:   mail@schmuckundstein.com

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