I'm having this problem as well.... I've been playing my world for over 2 weeks now & have mined at all levels in several different biomes but still cannot find any.... Did you find a solution?. TIA
I can't see these textures either.... The PNG files are missing. The game runs fine without them but my FTB launcher takes nearly an hour to load the modpack because it can't find them. I really like this pack but it takes too long to load :/