Latest Lectures
Lecture | Greasy Business | Oiled Gems Fraud | Tucson | 1 February 2024
Lecture | Greasy Business | Oiled Gems Fraud | Tucson | 1 February 2024
Greasy Business • The Ongoing Fraud of Oiled Gems
Lecture | A Canary in the Ruby Mine | Tucson | 31 January 2024
Lecture | A Canary in the Ruby Mine | Tucson | 31 January 2024
Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.
Lecture | Jade | A Workshop | Tucson | 28 January 2024
Lecture | Jade | A Workshop | Tucson | 28 January 2024
Hands-on workshop looking at different types of jade, including both nephrite and fei cui.
Lecture | A Canary in the Ruby Mine | Tokyo | 26 October 2023
Lecture | A Canary in the Ruby Mine | Tokyo | 26 October 2023
Low-temperature heat treatment experiments on Burmese ruby.
Lecture | A Canary in the Ruby Mine | Bangkok | 9 September 2023
Lecture | A Canary in the Ruby Mine | Bangkok | 9 September 2023
Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.
Lecture | Greasy Business | Oiled Gems Fraud | Taipei | 18 March 2023
Lecture | Greasy Business | Oiled Gems Fraud | Taipei | 18 March 2023
Greasy Business • The Ongoing Fraud of Oiled Gems
Lecture | Inside Out | Journey into the Center of a Gem | Tokyo | 2 March 2023
Lecture | Inside Out | Journey into the Center of a Gem | Tokyo | 2 March 2023
Billie Hughes and Olivier Segura discuss inclusions in colored gemstones and diamonds at an Evening Conversation for L'École School of Jewelry Arts, Van Cleef & Arpels.
Lecture | Earth's Time Capsule | Inclusions in Colored Gems & Diamonds | Bangkok | 20 February 2023
Lecture | Earth's Time Capsule | Inclusions in Colored Gems & Diamonds | Bangkok | 20 February 2023
Billie Hughes and Olivier Segura discuss inclusions in colored gemstones and diamonds at an Evening Conversation for Van Cleef & Arpels.
Lecture | The Mystery of Inclusions | A Panel Discussion | Tucson | 4 February 2023
Lecture | The Mystery of Inclusions | A Panel Discussion | Tucson | 4 February 2023
A discussion about the importance of inclusions and photomicrography.
Lecture | Jade | A Workshop | Tucson | 1 February 2023
Lecture | Jade | A Workshop | Tucson | 1 February 2023
Hands-on workshop looking at different types of jade.
Lecture | Jade | China's Gift to the World | Tucson | 29 January 2023
Lecture | Jade | China's Gift to the World | Tucson | 29 January 2023
Richard Hughes examines the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
Lecture | A Canary in the Ruby Mine | Tucson | 29 January 2023
Lecture | A Canary in the Ruby Mine | Tucson | 29 January 2023
Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.
Lecture | Jade | China's Gift to the World | London | 6 November 2022
Lecture | Jade | China's Gift to the World | London | 6 November 2022
Richard Hughes examines the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
Lecture | Jade | China's Gift to the World | Copenhagen | 1–2 October 2022
Lecture | Jade | China's Gift to the World | Copenhagen | 1–2 October 2022
Richard Hughes examines the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
Lecture | Jade | China's Gift to the World | Houston | 16 July 2022
Lecture | Jade | China's Gift to the World | Houston | 16 July 2022
Richard Hughes examines the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
Gems & Gemology Lectures | Lotus Gemology Bangkok
Gems & Gemology Lectures | Lotus Gemology Bangkok
Lotus Gemology's gemologists have lectured extensively about a wide variety of gemological topics including ruby, sapphire, jade, and more.