• Cover of Gems & Gemology Fall 2023 issue, featuring Oregon sunstone carved by Darryl Alexander.

Fall 2023

  • $15.00

Feature articles from this issue:

  • Yellow Sapphire: Natural, Heat-Treated, Beryllium-Diffused, and Synthetic by John L. Emmett, Ungkhana Atikarnsakul, Jennifer Stone-Sundberg, and Supharart Sangsawong
  • Special Colors and Optical Effects of Oregon Sunstone: Absorption, Scattering, Pleochroism, and Color Zoning by Shiyun Jin, Aaron C. Palke, Nathan D. Renfro, and Ziyin Sun
  • Etch Pits in Heliodor and Green Beryl from the Volyn Pegmatites, Northwest Ukraine: A Diagnostic Feature by Gerhard Franz, Oleksii A. Vyshnevskyi, Volodymyr M. Khomenko, Peter Lyckberg, and Ulrich Gernert
  • Iolite from the Thor-Odin Dome, British Columbia, Canada: Geology, Chemical Composition, Inclusions, and Cause of Chatoyancy by Philippe M. Belley

GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout.

Usually ships in 3-5 business days.

SKU: 9302303