The Spirit Quartz is a stone that can give you purification, protection, and spiritual evolution. It also has the ability to connect you to the spirit realm. It can uplift your soul and radiate strong vibrations and energies in all directions. It's also a stone that will bring about your spiritual evolution.
Chakra ~ Crown however, Spirit Quartz opens and cleanses all Chakras
Crystals have made themselves known to facilitate the evolution of the Earth and all those upon it. These crystals have an extremely high vibration that raises consciousness and opens the higher chakras to communicate with other dimensions. Knowing how to use these crystals is vital if you are to make use of the gifts they offer. -The Crystal Bible, 2009, Judy Hall