Caption: Examples of snowflake-like particles forming in a range of quaternary mixtures. The top row exemplifies the formation process in samples crossing the SELV boundary and the bottom row shows samples that crossed the SELLNV boundary. The temperatures for each sample are: (a*) 82.75 K, (b) 83.5 K, (c*) 84.5 K, (d*) 81.75 K, (e) 81.75 K, (f*) 81.25 K. Pictures with an asterisk have accompanying videos or timelapses available in supplemental materials.