EDITORIAL
Baw Mar Sapphire, China’s Freshwater Pearl Industry, Glass-Ceramic Imitation Gemstones, and Red and Orange Spinel from Myanmar and Vietnam
Duncan Pay, Editor-in-Chief
An overview of the Summer 2026 Gems & Gemology content.
Articles
Coming Soon...
Regular Features
Coming Soon: Gem News International

THE DR. EDWARD J. GÜBELIN
Most Valuable Article Awards

Structures Behind the Spectacle: A Review of Optical Effects in Phenomenal Gemstones and Their Underlying Nanotextures
Shiyun Jin, Nathan D. Renfro, Aaron C. Palke, and James E. Shigley

A Study of the Winston Red: The Smithsonian’s New Fancy Red Diamond
Gabriela A. Farfan, Ulrika F.S. D’Haenens-Johansson, Stephanie Persaud, Eloïse Gaillou, Russell C. Feather II, W. Henry Towbin, and Daniel C. Jones

The 3309 cm–1 Series in Sapphire and Ruby: A Focus on FTIR Peak Position Variation
Wasura Soonthorntantikul and Aaron C. Palke













