“Gemstones: Natural, Synthetic or Imitation? What’s the Difference!”

The March 12 zoom lecture will feature Prof. Steve Okulewicz from Hofstra University’s Department of Geology and Environmental Sustainability, where he will discuss: “Gemstones: Natural, Synthetic or Imitation? What’s the Difference!” This presentation will cover the history of making synthetic gemstones and the various chemical process necessary to create them. In addition, imitation gemstones such as Moissanite, glass, rhinestones, cubic zirconia, lead crystal, and Swarovski Crystal will also be discussed. The presentation will begin at 7:45 pm. The Zoom URL is printed in our newsletter, the Geoexaminer, which is sent to paid members only. Our membership application can be found on the Meetup home page for our group. Our membership application can be found in the ‘About” section of this Meetup page.