Clear Quartz Flame 17a, $52! One Pound, five and a half ounces total weight. You will receive the one shown here. Quartz is said to be the most powerful healing stone of the mineral kingdom, able to work on any condition. Clear Quartz is known as the stone of power and amplifies any energy or intention. Metaphysically, Clear Quartz protects against negativity, attunes to your higher self, and relieves pain.