Observations on HPHT-Grown Synthetic Diamonds: A ReviewSally Eaton-Magaoa, James E. Shigley, and Christopher M. BreedingSaltwater Pearls from the Pre- to Early Columbian Era: A Gemological and Radiocarbon Dating StudyChunhui Zhou, Gregory Hodgins, Todd Lange, Kazuko Saruwatari, Nicholas Sturman, Lore Kiefert, and Klaus SchollenbruchPhotoluminescence Spectra of Emeralds from Colombia, Afghanistan, and ZambiaD. Brian Thompson, Christian J. Bayens, Matthew B. Morgan, Taylor J. Myrick, and Nealey E. SimsSynthetic Star Sapphires and Rubies Produced by Wiedeís Carbidwerk, Freyung, GermanyKarl Schmetzer, H. Albert Gilg, and Heinz-Jürgen BernhardtTrue Colors of Dalmatian "Jasper"Tomasz Powolny and Magdalena Dumańska-SłowikColombian Emerald Industry: Winds of ChangeDarwin Fortaleche, Andrew Lucas, Jonathan Muyal, Tao Hsu, and Pedro PaduaEvery issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International). GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout.Usually ships in 3-5 business days. SKU: 4301704
