How rare is Nickel ore? i had to make 2 new sandbox games to search for it just to see if it actually exists, took me a half hour to find

Found a small problem, the mods that are affecting this are bobs metals, chemicals and intermediates and bobs ores, when creating sulfur dioxide you need to create sulfur, however, to make sulfur, you need sulfur dioxide, is there any way to get around this because I can't make batteries without it,...