Clear Quartz is known as the master healer stone. It is worn and a stone which can be worn everyday because of its balancing and cleansing energy and is a good crystal to have around you during times of uncertainty.
Spiritual: 'master healer' crystal
Soul: worn for emotional balancing and to bring purpose to your heart
Mental: encourages clarity of thought, focus and will amplify your thoughts and assist you by stimulating clearer thinking.