This is a great reference for those that wish to enter the world of gemstone, crystal and metal magic and a must for anyone that needs a reference on this subject. The description of each mineral or metal's mystical properties are clearly described in enough detail to let you know what is is best suited for. Cunningham also includes a quick-reference summary that is set up in a logical and easy-to-use format. Paperback, 240 pgs. (*Note from Blue Moon Stones: One of my favorites, I use this book all the time!)