This book, designed for the gemmologist or serious amateur, details the identification of Topaz. It covers in detail the optical and physical properties of topaz, it’s occurrences in nature, locations where topaz is found, how to cut a topaz, treatments of topaz, electrical conductivity of topaz and stones which are often confused with topaz. This book will greatly assist those wishing to find out more about how to correctly identify topaz. This book may also prove useful to the gem fossicker in the field.