1 online resource (207 entries) : 171 images, digital files.
Contents
Introduction -- Gem formation -- Mining -- Crystal structure -- Optical properties -- Physical properties -- Fashioning and cutting -- Imitation and synthetic stones -- Enhancement -- History of gems -- Famous diamonds -- Gemlore & Birthstones -- Colour -- Classification -- GEMS -- Maps of gem locations -- Glossary -- Useful addresses and acknowledgements.
Access
Access restricted to authorized users and institutions.
Summary
A fascinating, richly illustrated guide to the identification and use of gemstones. The introduction describes the geology, chemistry and properties of gems in clear and accessible terms. The main section supplies complete descriptions of a wide range of gems.
