3 1/2" wide at the base, this pyramid has brass at the tip, a layer of amethyst, known for it's healing properties and ability to cleanse the mind of negative thoughts, it is associated with the crown chakra. There is a layer of iron, with shugite, known for it's EMF fighting properties and associated with the root chakra, as well as a copper coil & piece of blue kyanite, which helps to balance all chakras and meridians in the body, all cast in red polyester resin. The combination of metal and crystals cast in resin emits a scalar wave which can mitigate EMF in your home or office. This device is powerful enough for a large room in your home. People who use scalar energy devices report better sleep, mental clarity, enhanced meditation and a sense of well-being.