97円 This book contains a wealth of information on the physical and optical properties of gemstones. It covers in great detail each facet of these properties in the hope it will assist you, the reader, in correctly identifying gemstones. This publication has been written for both the experienced gem f...

97円 This book contains a wealth of information on all aspects of the mineral feldspar, and its varieties. Designed for the beginner or experienced, it will greatly assist those wishing to find out more about how to correctly identify feldspar minerals. Each feldspar variety is shown, with information...

97円 This book, designed for the gemmologist or serious amateur, details the identification of Jade. It covers in detail Nephrite Jade and Jadeite, its formation, geology, simulants, distinguishing features, treatments, grading, diagnostic optical and physical properties, readings under various gemmol...

97円 These pages contain books 10 to 13 of the Australian Gemstones Series. This series is 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. Included in this publication are the followin...

97円 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, colo...

97円 This book contains a wealth of information on all aspects of amber, it’s appearance, diagnostic properties, common treatments and imitations. Designed for the beginner or experienced, it will greatly assist those wishing to find out more about how to correctly identify amber. There is information...

97円 This ebook takes a brief look at synthetic gemstones, in particular cubic zirconia and the various manufacturing methods used to produce synthetic gemstones. This is volume 13 of the Australian Gemstones series and this volume is only available, at this stage, as an ebook. Other books in this ser...

97円 This book, designed for the gem fossicker, contains information on early gemstone discoveries in Australia, and includes information on how to identify the gemstones you find. This publication has been written for both the experienced gem fossicker and the beginner. This book will assist the gem ...

97円 This book contains a wealth of information on all aspects of pearls, saltwater and freshwater, their appearance, diagnostic properties, common treatments and imitations. Designed for the beginner or experienced, it will greatly assist those wishing to find out more about how to correctly identify...

97円 This book contains a wealth of information on all aspects of coral, its appearance, diagnostic properties, common treatments and imitations. Designed for the beginner or experienced, it will greatly assist those wishing to find out more about how to correctly identify coral. This is book 7 in ‘Th...

97円 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 ...

18,231円 This book provides a comprehensive review of drilling technologies in the polar regions, from the portable drilling equipment for shallow sampling and coring, to heavy drilling equipment for deep onshore and offshore drilling. Particular attention is given to safe drilling methods in permafrost. ...