Spring 2021

GIA Store Verified independent store

→

Feature articles from this issue: Internal Structures of Known Pinctada maxima Pearls: Natural Pearls from Wild Mollusks by Artitaya Homkrajae, Areeya Manustrong, Nanthaporn Nilpet ploy, Nicholas Sturman, Kwanreun Lawanwong, and Promlikit Kessrapong Technical Evolution and Identification of Resin-Filled Turquoise by Ling Liu, Mingxing Yang, Yan Li, Jingru Di, Ruoxi Chen, Jia Liu, and Chong He How to Calculate Color from Spectra of Uniaxial Gemstones by Che Shen, Aaron Palke, Ziyin Sun, and Mark D. Fairchild Micro-Features of Spinel by Nathan Renfro, John I. Koivula, Shane F. McClure, Kevin Schumacher, and James E. Shigley GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout. Usually ships in 3-5 business days. SKU: 4302102 Show more