Here is another quite useful data pack that will add for you the generation of pyrite and sulfur in the form of gas, which can be collected by you for further conversion. Sulphur can to influence behavior mobs, so needs work with it strictly using a special mask.
How to install Sulfuric Caving Data Pack
- Open the game
- Select the world in which you want to install the data pack, and click on “Configure”
- Click on “Open world folder”
- Open the “data packs” folder and extract the downloaded archive to it