Geology and Mineralogy of Gemstones. David Turner R.

      

      Table of Contents

      1  Cover

      2  Series Page

      3  Title Page

      4  Copyright Page

      5  Preface

      6  Acknowledgements

      7  Part I: Developing Base Knowledge 1 Minerals and Mineralogy 1.1 Minerals and Rocks 1.2 What is a Gemstone? 1.3 Atoms, Elements, and Bonding 1.4 Physical Properties of Minerals References 2 Basics of Rocks and Geology 2.1 Earth System Science 2.2 The Earth’s Structure and Plate Tectonics 2.3 General Rock Types and the Rock Cycle 2.4 Metasomatism and Hydrothermal Fluids 2.5 Geological Structures 2.6 Important Rock Types for Gemstone Deposits 2.7 Weathering, Sedimentation, and Secondary Gem Deposits References 3 Intermediate Mineralogy 3.1 Structure and Chemistry of Minerals 3.2 Light References 4 Concepts of Gemmology and Tools 4.1 Concepts of Gemmology 4.2 Tools References

      8  Part II: Gemstones and Their Origins 5 Diamond 5.1 Introduction 5.2 Basic Qualities of Diamond 5.3 Common Diamond Treatments 5.4 Synthetic Diamond 5.5 Geology of Diamond and Kimberlite 5.6 Global Distribution and Production of Diamond 5.7 Diamonds from Canada 5.8 The 4 Cs 5.9 Diamond Shapes 5.10 Diamond Valuation 5.11 Kimberley Process: A 5th C? References 6 Corundum 6.1 Introduction 6.2 Basic Qualities of Corundum 6.3 Faceted Gem Corundum 6.4 Corundum Valuation 6.5 Corundum Treatments, Synthetics, and Imitations 6.6 Geology of Gem Corundum: Three Main Genetic Models 6.7 Rarity of Gem Corundum 6.8 Global Distribution and Production of Corundum References 7 Beryl 7.1 Introduction 7.2 Basic Qualities of Beryl 7.3 Beryl Valuation 7.4 Common Treatments, Synthetics, and Imitations 7.5 Geology of Gem Beryl: Three Main Genetic Models 7.6 Large Beryl Crystals 7.7 Global Distribution of Beryl References 8 Pegmatites 8.1 Introduction 8.2 Pegmatite Mineralogy 8.3 Pegmatite Genesis 8.4 Geochemical Families of Pegmatites 8.5 Pegmatite Morphology 8.6 Corrosion 8.7 Rarity of Gem‐Bearing Pegmatites 8.8 Tourmaline 8.9 Spodumene 8.10 Topaz References 9 Chrysoberyl 9.1 Introduction and Basic Qualities of Chrysoberyl 9.2 Geology of Gem Chrysoberyl References 10 Spinel 10.1 Introduction and Basic Qualities of Spinel 10.2 Geology of Gem Spinel