Feel free to provide new textures to me to get the default dependency optional. Graphics are not not my strength, so it will be nice to replace the blue/white "pine_needles" by something that does more match the idea (and recipe).
Spoiler
Recipe:
Crystal in action:
Crystal in action:
Dependencies: default - recipe, textures, sounds are used from default.
Download / Source: https://github.com/bell07/minetest-frozenenergy
Additional Recommendation:
Snow Recipes in unternull grinder and additional_stuff as of https://github.com/bell07/minetest-unte ... cb0353510c