Latest Lectures
![Jade | China's Gift to the World](/images/lectures/thumb-jade-chinas-gift.jpg)
Lecture | Jade | China's Gift to the World | Hong Kong | 16 September 2024
Richard Hughes examines the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
![Trick or Treatment • Detecting Enhancement in Ruby & Sapphire](/images/library/articles/gemologyarticles/trick-or-treatment/Thumb-spinel-oiling-before-after.jpg)
Lecture | Trick or Treatment | Bangkok | 13 September 2024
Lotus Gemology's E. Billie Hughes will review the major treatments of ruby and sapphire and how they can be identified.
![Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.](/images/library/articles/gemologyarticles/canary-ruby-mine/canary-thumb.jpg)
Lecture | A Canary in the Ruby Mine | Brussels | 19 October 2024
Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.
![Richard Hughes examines the nomenclature of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.](/images/library/articles/gemologyarticles/fei-cui-jade-nomenclature/_thumb-broken-bangle.jpg)
Lecture | Broken Bangle | Brussels | 19 October 2024
Richard Hughes examines the nomenclature of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
![Richard Hughes examines the nomenclature of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.](/images/library/articles/gemologyarticles/fei-cui-jade-nomenclature/_thumb-broken-bangle.jpg)
Lecture | Broken Bangle | Shanghai | 10 September 2024
Richard Hughes examines the nomenclature of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
![Richard Hughes examines the nomenclature of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.](/images/library/articles/gemologyarticles/fei-cui-jade-nomenclature/_thumb-broken-bangle.jpg)
Lecture | Broken Bangle | Bangkok | 13 September 2024
Richard Hughes examines the nomenclature of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
![Inside Out: Journey into the Center of a Gem](/images/lectures/thumb-inside-out-lecture.jpg)
Lecture | Inside Out: Journey into the Center of a Gem | Brussels | 19 October 2024
Lotus Gemology's Billie Hughes takes participants on a journey to the fascinating inner world of gems.
![Inside Out: Journey into the Center of a Gem](/images/lectures/thumb-inside-out-lecture.jpg)
Lecture | Inside Out: Journey into the Center of a Gem | Hong Kong | 16 September 2024
Lotus Gemology's Billie Hughes takes participants on a journey to the fascinating inner world of gems.
![Billie Hughes, Thierry Ardouin, and Olivier Segura discuss the intersection between photography, art, science, and nature.](/images/thumbs/SeedsCarat-thumb.jpg)
Lecture | Seeds and Carats | Kyoto | 10 May 2024
Billie Hughes, Thierry Ardouin, and Olivier Segura discuss the intersection between photography, art, science, and nature.
![Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.](/images/thumbs/thumb-canary.jpg)
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.
![Hands-on workshop looking at different types of jade, including both nephrite and fei cui.](/images/thumbs/thumb-jade-workshop.jpg)
Lecture | Jade | A Workshop | Tucson | 28 January 2024
Hands-on workshop looking at different types of jade, including both nephrite and fei cui.
![Low-temperature heat treatment experiments on Burmese ruby.](/images/thumbs/thumb-canary.jpg)
Lecture | A Canary in the Ruby Mine | Tokyo | 26 October 2023
Low-temperature heat treatment experiments on Burmese ruby.
![Billie Hughes & Wim Vertriest report the results from their low-temperature heat treatment experiments on Burmese ruby.](/images/library/articles/gemologyarticles/canary-ruby-mine/canary-thumb.jpg)
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.
![Greasy Business • The Ongoing Fraud of Oiled Gems](/images/thumbs/thumb-greasy-business.jpg)
Lecture | Greasy Business | Oiled Gems Fraud | Taipei | 18 March 2023
Greasy Business • The Ongoing Fraud of Oiled Gems