Contents
Page [Introduction] 5 [Properties of gemstones] 5 [Crystals] 7 [Cutting and polishing of gemstones] 10 [Cabochon gems] 10 [Faceted gems] 13 [Tumbled gems] 17 [Texas gemstones] 18 [Amber] 18 [Augite] 18 [Beryl] 18 [Celestite] 19 [Diamond] 19 [Epidote] 19 [Fluorite] 20 [Fossil wood] 20 [Gadolinite] 21 [Garnet] 22 [Jet] 22 [Labradorite] 23 [Microcline] 23 [Obsidian] 24 [Opal] 24 [Pearl] 24 [Quartz] 25 [Crystalline varieties] 25 [Amethyst] 25 [Citrine] 25 [Rock crystal] 26 [Rose quartz] 26 [Smoky quartz] 26 [Cryptocrystalline varieties] 27 [Chalcedony] 27 [Agate] 27 [Agatized wood] 27 [Carnelian] 27 [Jasper] 27 [Sanidine] 28 [Spinel] 28 [Tektite (bediasite)] 28 [Topaz] 29 [Tourmaline] 30 [Turquoise] 31 [Glossary] 32 [Selected references] 34 [Index] 41