Commonly used in mortar made with slaked lime putty to replace some of the sand but in theatre its main use is to help create a frost like appearance on winter scenery. The crystalline sparkle has the illusion of snow. It can be sprinkled onto wet resin, glue, or varnish to create the effect. For a more pronounced result mix in some M11 crystals or for more iridescence add Opalina Random Cut Snow