Outlook on Opals from Mexico and Australia
Jürgen Schütz discussed the opal sourcing and cutting activities of the German firm Emil Weis.
The Challenges of Cutting a Large Gem Opal Rough
A first-person account of cutting a 3,019 ct piece of white opal to create a 1,040 ct gem with play-of-color across the surface.
Shenzhen: The Frontier of China’s Gem and Jewelry Industry
All jewelry professionals are familiar with the city of Shenzhen, a global jewelry manufacturing center and a leader of China’s fast-growing gem and jewelry industry. Join the GIA team as we tour the city and discover more about its leading jewelry brands.
Splendor in the Outback: A Visit to Australia’s Opal Fields
Documents a trip to the renowned opal fields of Lightning Ridge, Koroit, Yowah, and Quilpie.
Carving Gem-Quality Opal
An examination of the challenges of carving gem-quality opal.