You will learn the science as well as the art of crystals, including: How to use crystals with other practices such as feng shui, meditation, and reiki Crystal correspondences such as color and which stones should and should not be used together How to use crystals in ritual How to use intention to work and manifest with your crystals Crystal lattice systems MOH hardness scales High and low vibration crystals Energetic concepts such as entrainment Featuring gorgeous photography and breathtaking images of the stones, The Crystal Companion is destined to be your go-to crystal resource.