Gemological Heresies

As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

Gemological Heresies by Richard Hughes

This presentation will challenge many longstanding beliefs associated with gemological science. He will draw from his experience as an author of Ruby & Sapphire and co-author of Terra Spinel, as well as 160 articles about gemology.

Tuesday 14 August 2018

Washington, DC Chapter, GIA Alumni Association"
Holiday Inn Rosslyn, Arlington, VA (USA)