A cracked ice material I made, topped off with a snow material that was based off the PurePolygons gumroad tutorial.
Created in Substance Designer and rendered in Marmoset Toolbag 3.
For an upcoming project I was planning to finish but hit a creative block 
Jacob Norris snow tutorial:
https://gumroad.com/purepolygons
Tileable rock that's also for the project
https://www.artstation.com/artwork/m4Vev