Listing is for one sodalite tumble, intuitively chosen.
Sodalite is a chloric sodium aluminum silicate with an isometric crystal system and a hardness of 5.5 to 6. The name refers to its sodium content. The largest Sodalite deposit is in Bahia, Brazil.
Sodalite is a stone of insight, helping one penetrate paradox and contradiction in order to form a new synthesis of thought.