CIBJO to Hold ‘Ruby Day’

CIBJO will hold a gemmological mini conference named "Ruby Day" on Friday February 19th, from 1 p.m. to 3 p.m. at Hall 5 of the International Congress Centre, at the Messe Muenchen.

The mini-conference will be exclusively dedicated to presentations and discussions on the research findings of ruby, the red gemstone variety of the mineral corundum.

For participants who are not participating in the CIBJO congress, a symbolic entrance fee will be charged. To register, e-mail

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