Small clear quartz crystals. The sizes are all close to 1.5 cm and the listing is for two stone. you'll receive 2 stones picked at random The clarity in all of the stones is very good. See pics for size . Clear Quartz is the most popular and versatile healing stone of all the crystals. It is 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.