This unique book examines the basic scientific principles underpinning the fascinating art of crystal healing. Presented in a simple, easy-to-read style, this comprehensive book will provide the key to anyone seeking to unlock the powerful healing properties of crystals. Containing a wealth of stunning color photography and detailed descriptions of crystals and their application, this book provides the first-ever comprehensive survey of the science and art of crystal healing. Paperback, 416 pgs.