Sodalite, with a distinctive deep blue colour is one of the components of Lapis Lazuli and very rare. DANIEL SMITH Sodalite Genuine is the finest quality and deepest blue which comes from Greenland and the flanks of Italy's Mt. Vesuvius. In watercolour, the inky colour of this semi precious stone granulates as it dries, layering a blue-black textural surface on a smooth blue-gray undertone. Low staining, lightfast and semi-transparent, Sodalite Genuine creates a three-dimensional quality as it dries. Light fastness: Excellent Low Staining Granulation: Yes Semi-Transparent