Feature articles from this issue:

• A Guide to Diamonds with the 480 nm Absorption Band by Mei Yan Lai
• External Morphology and Internal Zonal Structure of Macle Diamond by Ahmadjan Abduriyim and Masao Kitamura
• Characterization of “Orange Peel” Surface Microstructure of White Nephrite from Russia: A Unique Pseudomorph by Meiyu Shih, Guanghai Shi, and Biqian Xing

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SKU: 930-2503

Released: 12-3-2025