Sodalite is a rich royal blue tectosilicate mineral. Well known for its blue color, sodalite may also be grey, yellow, green, or pink and is often mottled with white veins or patches. Sodalite is rated between 5.5 and 6 on the Mohs hardness scale. Sodalite is thought to enhance the mental body to aid in clear, rational and logical thinking and increase clarity in search for the truth.