Month: June 2018

DIAMONDS The Fourth Course Diamonds consists of five lessons and covers the physical and optical properties of diamonds, their geological environmen

GEM IDENTIFICATION The Third Course Gem Identification consists of twelve lessons and takes a more practical look at the identification of gemstones

ADVANCED GEMOLOGY The Second Course Advanced Gemology consists of twenty-two lessons and covers imitation gemstones, composite assembled stones, th

BASIC GEMOLOGY  The First Course  Basic Gemology consists of ten lessons and covers the origin and chemical nature of gemstones, their physical a

An understanding of basic crystallography not only allows us to appreciate the beauty of gemstones in their uncut, natural state but can also aid in t

Click to access June2018.pdf Jack Ghazalian is featured in the IDEXonline.com Magazine An Interview with Jack Ghazalian, Featured (Pages 48, 49, 50