Snowflake schiller involves an even or random distribution of included particles or clusters of particles. Even in a piece of rough sunstone, snowflake schiller creates an effect like a toy glitter-globe (50X magnification of snowflake schiller):

A 100-times magnification of the above piece of rough shows the layered, seemingly-random distribution of snowflake schiller particles. Even fixed within solid stone, they appear to be moving:

Snowflake schiller can create an effect like a toy glitter-globe, while giving the entire stone a warm pink glow. This is one example of a faceted stone exhibiting snowflake schiller: