Clear Quartz is the most versatile healing stone among all crystals. Clear Quartz is often called the "Stone of Power" and can help to amplify any energy or intention. Clear Quartz is said to protect against negativity, attune to your higher self, and relieve pain.Obelisks are 4-sided towers and Clear Quartz has a great way of holding energy in a room. This is a great piece to use in a crystal grid.