GJ122 Techniques and Challenges of Fei Cui (More than Jadeite) Identification

Session Description

This presentation will offer a comprehensive overview of Fei Cui (more than jadeite), including its definition, quality evaluation, identification and geological origins. For untreated jadeite (A Jade), we will discuss the main factors that influence its quality and value. We will also explore the identification techniques of commonly treated Fei Cui (B Jade, B+C Jade) and imitations. For Fei Cui from different origins, we will focus on the distinguish of Fei Cui from Myanmar and Guatemala, which is a challenge for jewelry industry now. 

Learning Outcomes

Upon webinar completion, the participant will be able to:

• Identify the key characteristics and properties of Fei Cui that determine its quality and value;
• Recognize various Fei Cui treatments and understand their impact on the jade’s appearance and marketability; 
• Distinguish between genuine Fei Cui and common simulants using practical identification techniques; and  
• Make informed purchasing and appraisal decisions under today's challenging Fei Cui market.

Webinar Audience

This webinar is ideal for gemologists, jewelry appraisers, and gemstone enthusiasts who want to deepen their knowledge of Fei Cui (more than jadeite)

Instructor Information

Zemin Luo | West Foothill Jewelry

Zemin Luo is a jade researcher and jewelry appraiser in the San Francisco Bay Area. She had been a researcher and lecturer at the Gemological Institute, China University of Geoscience, Wuhan, for approximately 7 years. Her research focuses on determining the geological origins of modern jade from prominent commercial locations. One of her research findings was published in Gems & Gemology in 2015. She was also invited to present at the 2018 GIA International Symposium in Carlsbad.

In addition to her work on modern jade, Zemin has over 4 years of research experience on ancient jade from the Shang Dynasty to the East Zhou Dynasty, collaborating with prestigious museums in China. As a researcher, she is well-versed in the use of advanced gemological instruments, including Infrared Spectroscopy, Raman Spectroscopy, UV-VIS absorption Spectroscopy, and XRF Spectroscopy, with expertise in both instrument operation and data analysis. In her role as an appraiser, Zemin aims to leverage her extensive lab experience in the field of Gems & Jewelry appraisal, with a particular focus on Fei Cui identification and evaluation.

Continuing Education

Review of this session recording will award 1 CE hour.