This texture takes up a lot of space for nothing, and it's really weird to load a texture like that. It might be better to have another method for loading this texture.
https://github.com/SmashingMods/ChemLib/blob/1.20.1/src/main/resources/assets/chemlib/textures/item/periodic_table.png
- You could create your own atlas for each element, and then render them individually (and create tiles for the background)
or
- Loading it into a dedicated texture