"Ruby Day," a gemmological mini conference

February 19, 2010, 01:00 – 4:00 p.m.

Hall 5, International Congress Centre, at the Messe Muenchen

CIBJO, the World Jewellery Confederation, will begin a new tradition at its upcoming 2010 congress, i.e. the organization of a gemmological mini conference that will be an integral part of this and future CIBJO congresses.

This year's gemmological mini conference is named "Ruby Day,” as it will be exclusively dedicated to presentations and discussions on the research findings of ruby, the red gemstone variety of the mineral corundum.  The event will take place on Friday February 19^th, from 13:00 to 16:00 hours at Hall 5 of the International Congress Centre, at the Messe Muenchen. (Click here for directions).

The Ruby Day programme – speakers list and presentations topics - follows below. For participants who are NOT participating in the CIBJO congress, a symbolic entrance fee will be charged. To register, please send an email to This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Wolfgang Hofmeister, Dean of the Faculty for Chemistry, Pharmacy and Geosciences of the Johannes Gutenberg University of Mainz, Germany.

Topic: Mineralogy of ruby deposits connecting North-Vietnam and South-China

Pornsawat Wathanakul, Academic Adviser of the Gem and Jewelry Institute of Thailand (GIT); Head of the Department of Earth Sciences, Faculty of Science, Kasetsart University, Bangkok, Thailand

Topic: Low temperature treatment of Mong Hsu ruby

Kenneth Scarratt, Managing Director, South East Asia & Director, GIA Laboratory, Bangkok, Thailand

Topic: Rubies from Mozambique, before and after treatment

Adolf Peretti, Director of the GRS Laboratories, Geneva, Switzerland

Topic: Occurrence and identification of rubies from Winza, Tanzania

Claudio Milisenda, Director of the Deutsche Stiftung fur Edelstein Forschung (DSEF) -- the German Gem Lab, Idar Oberstein, Germany.

Topic: Recent observations on synthetic rubies

Michael S. Krzemnicki, Director of the Schweizerische Stiftung für Edelstein-Forschung (SSEF) - Swiss Gemmological Institute, Basel, Switzerland.

Topic: Heating and diffusion processes on rubies: characteristics, detection and declaration

Elena Gambini, Head of Gem Materials Department, Centro Informazione e Servizi Gemmologici (CISGEM) - Center for Information and Services on Gemmology, Milan, Italy

Topic: Glass in rubies: various cases, their detection and declaration