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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 jewelleryadvisor.com.

Видео Gem-A Live: Lead Glass Filled Rubies and Sapphires канала Gem-A
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Информация о видео
8 апреля 2020 г. 11:32:07
01:20:42
Яндекс.Метрика