The Group of 5 presents this pocket version of the indispensable book Crystals & Stones – A Pocket Guide to Lithotherapy. This clear and concise handbook is a trusty companion that will guide you in your choice of stones and crystals. Discover the main therapeutic properties of over 230 stones and crystals, as well as their chemical composition and hardness, their purification and recharging methods and their rarity and price. An invaluable reference tool to have on hand at all times.