Quartz w Tourmaline or 𝗧𝗼𝘂𝗿𝗺𝗮𝗹𝗶𝗻𝗮𝘁𝗲𝗱 𝗤𝘂𝗮𝗿𝘁𝘇 is a fantastic combination that promotes the balancing of ones Aura and Chakras as well as lending protection while doing Shadow work.  It's also very protective while having any sort of out of body experience 🛡