This is a fully comprehensive guide to 150 crystals and gems, exploring their magical, mystical, mythological, healing and divinatory significance. Each crystal is explored in detail and set in context with associated herbs, oils, incenses and astrological significance. The entries explain which crystals combine especially well in ritual and healing. In this way readers can not only identify individual crystals, but can also open a whole world of magical, divinatory and healing opportunities. The reader will learn to select crystals that are protective and empowering, how to use them in the work place, the home and with children, plants and animals. The Crystal Directory also suggests ways of using crystals in the modern world: for decision making; for cleansing homes and workplaces of pollution, of the adverse affects of technology and of the negative earth energies. It demonstrates how crystals can be empowered and attuned to enable us to benefit ourselves and those we love.