A new edition of the successful, reader-favorite guide to the fascinating effects of precious stones. The book contains all the basic types of gemstones including pearls, corals, tektites and precious metals. It lists their chemical composition, basic physical properties, possibly differences in individual varieties, genesis and domestic and foreign deposits. However, the main emphasis is placed on their inner strength and ability to affect our organism in the field of health and meditation. As an expert on this issue, the author recommends incorporating precious stones into everyday life as helpers in solving personal problems and cultivating personality.