Yeah mobs can't pathfind over or around it
I think it might be to help with performance
Calcite only generates in Stony peaks and as of now Stony peaks is not in the game
En mi cuenta de Minecraft pe tampoco no se funde el oro
So are they ever going to fix this? Quite sad being a Microsoft studios and can’t fix a bug that affects a Microsoft premium console.
Seems like this is caused by a resourcepack and not by the game itself. You must ask the creator of the pack.