Spirit Quartz also known as porcupine quartz or cactus quartz. Metaphysical Beliefs, Spirit quartz brings qualities of energy, peace, and positive energy to all realms. It transforms negative energy into positive energy, and is excellent for auric shielding as well as mental and physical types of protection. This crystal can be used in meditation to provide insights to family and community problems. A very good mineral for working with groups. Spirit quartz is also excellent for astral projection, dream work, shamanic journeying, and rebirthing. Emotionally it removes fear, bringing emotional peace and happiness. Spirit quartz is associated with the Crown Chakra. Number Vibration is 5.