Analyzes the effects of coating on green jadeite specimens using DiamondView imaging, microscopy, spectroscopy, and Raman spectrophotometry.

Examines the last two decades’ advances in analyzing and understanding the formation of natural diamonds, and their relation to the earth’s formation.

Explores the emergence of the Luc Yen area as a producer of corundum, spinel, tourmaline, and other colored stones.

Reports on the microscopic, chemical, and spectroscopic features that differentiate the high-quality Baw Mar sapphire from “classic” gem-quality Burmese sapphire.