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Welcome - T.S.Tay


#1

This is realy nice to have some one like you on the list.
I am a geologist running country’s only gem testing laboratory since 1991.
I will gratefull to have the opportunity to share the ideas and
experiences in testing gems [i.e. colored stones], specially in detecting
the treated gems.

Mohiuddin A. Sikder
Email: @GEM_WORLD_LTD