An Update of Colored Gemstone Mining in Tanzania

This film was made to accompany the article “An Update On Coloured Gemstone Mining in Tanzania, ” written by Vincent Pardieu and Wim Vertriest and first published by “Gems & Gemology” following a GIA field expedition to Tanzania in July 2016. The field expedition set out to collect samples of ruby, sapphire and spinel for the GIA reference collection as well as gather information about the current mining activity there.

This field expedition was made thanks to Vincent Pardieu, Gemological Institute of America, Chris Hood of Metal Urges, Tasmania, Mark Saul of Swala Gems and our guide and gem broker Justin Mmbaga. Thanks also to team members Wim Vertriest, (geologist and gemologist) Floriane Duret (geologist and gemologist) and Marie Lemoux….and to the people of Tanzania who welcomed us so warmly.

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