This striking dish is topped with a magnificent black tourmaline log. It is very powerful in a grid pattern to protect the four corners of your home. We recommend placing one of these dishes in each of the corners of your home or space to create a protective shield. We wire wrapped the stone onto our north star dish to look like a compass and point you in the right direction. This piece is sure to improve the vibration of your space in a beautiful way. Black Tourmaline is a high vibration powerful healing crystal that represents ultimate protection. The color black is the absorption of all colors which symbolizes power. Black tourmaline has lovely streaks that reflect light. It protects against negativity and absorbs electromagnetic energy. It is a very grounding stone to dispel harmful energy and make us feel safe. Put this stone near your devices to help function as an EMF filter.