Minerals provides a comprehensive, illustrated guide to the forms, physical properties, classification and study of minerals from around the world. Striking in color and perfect in structure, minerals are carved by nature over millions of years and found everywhere on Earth. Each step of human progress can be measured by how they were used. This concise guide - complete with quick reference symbols - describes minerals from all the major classes, including their chemical formulas, crystalline systems, physical habit, natural environment and etymological notes. Contents include: Introduction: The science of mineralogy, The forms of crystals and twinning, Physical properties, How minerals are studied, The environments in which minerals form, The classification of minerals. Minerals: Class 1: Native Elements, Class 2: Sulfides and Sulfosalts, Class 3: Halides, Class4: Oxides and Hydroxides, Class 5: Carbonates, Class 6: Borates, Class 7: Sulfates, Chromates, Molybdates, Tungstates; Class 8: Phosphates, Arsenates, Vanadates, Class 9: Silicates; Class 10: Organic Minerals; References: Essential Glossary, Classification of Minerals, Index of the Minerals, Bibliography and Websites More than 400 high-quality color photographs, tables, charts, glossary and bibliography and richly informative descriptions of 288 minerals.