Feature articles from this issue:
- Measurement and Characterization of the Effects of Blue Fluorescence on Diamond Appearance by Yun Luo, David Nelson, Troy Ardon, and Christopher M. Breeding
- Detection of Color Treatment and Optical Brightening in Chinese Freshwater “Edison” Pearls by Chunhui Zhou, Joyce Wing Yan Ho, Sally Chan Shih, Tsung-Han Tsai, Ziyin Sun, Stephanie Persaud, and Li-Jian Qi
- Pearl Classification: The GIA 7 Pearl Value Factors by Joyce Wing Yan Ho and Sally Chan Shih
- Namak Mandi: A Pioneering Gemstone Market in Pakistan by Habib Ur Rehman, Bilal, Syed Owais, Obaid Ur Rahman, and Andy H. Shen
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