Gem-A Live: Lead Glass Filled Rubies and Sapphires

Gem-A guest lecturer Julia Griffith FGA DGA, tells us more about the most prevalent treatment of corundum: lead glass filling. This lecture goes into details on: - What treatments are - A brief history of glass filling - Treatment method - Treatment effect - Identification - Co-Lead glass-filled sapphires - Testing - Durability This webinar was created as part of a weekly series of webinars known as Gem-A Live. This session was brought to you in association with .