Mystic Quartz is Clear Quartz coated in colourful metals; it is believed to retain the properties of clear quartz. Clear Quartz is the most popular and versatile healing stone of all the crystals. It is believed to be the most powerful healing stone thought to be able to work on any condition. It is known as the stone of power and amplifies any energy or intention. It is said to protects against negativity, connecting you to your higher self.