This book takes a look at diamonds, in particular the common forms of diamond, rocks in which diamonds are found in nature, diamond types, electrical behaviour, thermal conductivity, chemical composition, crystallography, hardness, specific gravity, determining synthetic diamonds to natural, colour, clarity methods, diamond enhancements, & more... This is volume 14 of the Australian Gemstones series. Other books in this series include Early Australian Gemstone Discoveries, Early Australian Diamond Discoveries, The Physical and Optical Properties of Gemstones, Identification of Quartz and Its Varieties, Identification of Feldspar and Its Varieties, Identification of Amber, Identification of Coral, Identification of Pearls, Identification of Opals, the Identification of Ornamental Gem Materials, the Identification of Emeralds, the Identification of Garnets and the Identification of Synthetic Gemstones. These are available in paperback or ebook versions. These books are specifically designed for the beginner wanting to learn more about gemstones or gem fossicking, they also make a wonderful refresher course for the more experienced. All of these books are available for purchase through www.amazon.com. I hope you enjoy reading and learning more about the wonderful world of diamonds.