Smoky Quartz Moon in spiritual practices, and how it can help with grounding and protection. Smoky Quartz Moon - a powerful tool for those seeking grounding and protection in their spiritual practices. With its rich, smoky color and alluring crescent shape, this crystal is as beautiful as it is powerful. Smoky Quartz is a stone of transformation, helping to transmute negative energy into positive, and is said to be a powerful tool for protection and grounding. By incorporating the Smoky Quartz Moon into your spiritual practices, you can enhance your connection to the earth and draw in positivity and light.