Sodalite is a scarce mineral that can be rock forming. Sodalite is named in reference to its sodium content. It is used for carvings and some jewelry pieces. Its light to dark pure blue color is well known in the semi-precious stone trade. Sodalite often resembles lapis lazuli, and like it is used in abundance for cabochons and ornamental objects. Some tiny crystals from Namibia have been faceted, but these are quite rare.