Fall 2021

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Feature articles from this issue: Internal Structures of Known Pinctada maxima Pearls: Cultured Pearls from Operated Marine Mollusks by Artitaya Homkrajae, Nanthaporn Nilpetploy, Areeya Manustrong, Nicholas Sturman, Kwanreun Lawanwong, and Promlikit Kessrapong First Identification of Sudoite in Caribbean Ceramic-Age Lapidary Craftsmanship by Alain Queffelec, Ludovic Bellot-Gurlet, Eddy Foy, Yannick Lefrais, and Emmanuel Fritsch Purple Gem Spinel from Vietnam and Afghanistan: Comparison of Trace Element Chemistry, Cause of Color, and Inclusions by Philippe M. Belley and Aaron C. Palke Persian Turquoise: The Ancient Treasure of Neyshabur by Bahareh Shirdam, Andy H. Shen, Mingxing Yang, Zahra Mokhtari, and Hamed Fazliani GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout. Usually ships in 3-5 business days. SKU: 4302104 Show more