Summer 2025

GIA Store Verified independent store

→

Feature articles from this issue: Structures Behind the Spectacle: A Review of Optical Effects in Phenomenal Gemstones and Their Underlying Nanotextures by Shiyun Jin, Nathan D. Re nfro, Aaron C. Palke, 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: 930-2502 Show more