Color Science of Gem Stones Key Terms Iridescence OrientPlay-of-color LabradorescenceChatoyancy ("cat's-eye") AsterismAdularescenceAventurescenceChange-of- color ("Alexandrite effect")PearlescenceOpalescence Causes of Color in Gemstones Sourcez: AN UPDATE ON COLOR IN GEMS. PART 1: INTRODUCTION AND COLORS CAUSED BY DISPERSED METAL IONS Three most common causes of color in gem materials: Dispersed metal ions Charge transfers and other processes that…
Color Science of Gem Stones – Viewpoints which Matter
Colored Stone Grading • A Heretic's Guide
Color Science of Gem Stones – Viewpoints which Matter
Color and Imaging in Digital Video and Cinema – Viewpoints which
The Science Behind The Gems
Color Change: In Biology and Smart Pigments Technology
Optics of Metallic and Pearlescent Colors – Viewpoints which Matter
Gemewizard: Colored Stones Grading Course
Digital Color and Imaging – Viewpoints which Matter
Color Science of Gem Stones – Viewpoints which Matter