Natural Sodalite is a sodium-rich feldspathoid mineral known for deep blue to violet-blue coloration, often accompanied by white Calcite veins or patches. It is popular for cabochons, beads, pendants, carvings, polished stones and decorative mineral collections.Natural Sodalite is a sodium-rich feldspathoid mineral known for deep blue to violet-blue coloration, often accompanied by white Calcite veins or patches. It is popular for cabochons, beads, pendants, carvings, polished stones and decorative mineral collections.