The Latest Lectures from Lotus Gemology
Lecture | Hyperion: Siamese Twins | Bangkok | 25 June 2025
Billie Hughes will share how patterns emerge when we study pairs and sets of inclusion photomicrographs.
Lecture | Describing Color in Gems | A Fool's Guide | Tucson | 6 February 2025
Color types such as "pigeon's blood," "cobalt blue" and "Santa Maria" are wildly popular, but also wildly inconsistent.
Lecture | Describing Color in Gems | A Fool's Guide | Hong Kong | 4 March 2025
Color types such as "pigeon's blood," "cobalt blue" and "Santa Maria" are wildly popular, but also wildly inconsistent.
Lecture | Madagascar Sapphire | Bangkok | 23 February 2025
Lotus Gemology's E. Billie Hughes will review key gemological features of Madagascar sapphire and how to detect heat treatment of this material.
Lecture | Trick or Treatment | Tucson | 2 February 2025
Lotus Gemology's E. Billie Hughes will review the major treatments of ruby and sapphire and how they can be identified.
Lecture | Broken Bangle | Tucson | 2 February 2025
Richard Hughes examines the nomenclature of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.
Lecture | Inside Out: Journey into the Center of a Gem | Tucson | 1 February 2025
Lotus Gemology's Billie Hughes takes participants on a journey to the fascinating inner world of gems.
Lecture | Welcome to Rubyland | Seoul | 4 November 2024
Billie Hughes and Ann Lee take the audience on a journey through the world of rubies.
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.
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.
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.
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.
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.
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.
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.
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.