Dyed purple Jade (Lavender jade or purple “Fei Cui”) from Mandalay’s jade market, Myanmar

This presentation explores the modern advancements in freshwater pearl cultivation in China, focusin

Fancy colour diamonds that derive their colour from nitro- gen-related defects (such as N3/N2 center

Performing a literature search is a very important—but often neglected—part of doing gemmologica