Describes how crystals form in nature, how crystals are grown artificially, and how they are used in industry. Numerous color photos with text identify the various gemstones.
72 pages : illustrations (chiefly color), color map ; 29 cm
Other Title:
Crystal and gem Title appears on item as: Eyewitness crystal & gem
Notes:
Includes index
Contents:
What is a crystal? 6 A world of crystals 8 Natural beauty 10 On the surface 12 Inside crystals 14 Crystal color 16 Identification 18 Natural growth 20 Crystal habits 22 Extraction 24 Growing crystals 26 Crystals at work 28 Crystal vibrations 30 Quartz 32 Diamond 34 Corundum 36 Beryl 38 Opal 40 Other gemstones 42 Collectors' items 48 Stones for carving 50 Precious metals 52 Organic gems 54 What is it worth? 56 Cutting gems 58 Lore and legend 60 At home 62 Did you know? 64 Identifying gemstones 66 Find out more 68
