First book ever printed on growing crystals in a gel medium provides thorough description of the procedure, its history and future potential, and offers an extensive course of study on the physical and chemical processes involved. Will interest chemists, physicists, materials scientists and experimentally inclined amateurs. "Profusely illustrated...knowledgeable and informative, and the author has style."—The American Mineralogist. 42 illustrations. 1970 edition.