The Encyclopedia of Crystals, Revised and Expanded by Judy Hall is a comprehensive guide to the world of crystals. This book covers everything from the history and mythology of crystals to their physical and metaphysical properties. With over 350 new entries, this revised and expanded edition includes information on new crystals, such as Lemurian Quartz and Shamanic Dream Stones, as well as updates on existing entries. The book is written in an easy-to-understand language and is perfect for both beginners and experienced crystal enthusiasts. The paperback format makes it easy to carry around and reference whenever you need it.