From choice and use to programming, loading and cleaning, Crystals is a modern guide to improve your life with these enchanting stones. Often called "guards of wisdom", crystals contain millions of years of earth history. Presenting 51 of the most common and interesting crystals, it is a practical guide that will teach you the individual properties of each stone and how to exploit their powers. Find out which crystals suit you, where to position them as well as possible, perfect agreements and learn to take care of your daily crystals to divert all negativity in your life. Whether you use jade to improve your health, smoked quartz to detoxify or pink quartz to create harmony in your relationships, this practical guide will provide you with everything you need to exploit the power of your crystals.