Sirvicx's Caesium

this is caesium : a mod that adds a material called pebber which is used to make tools, INVISIBLE armor and even some blocks. you obtain it mixing raw iron and raw copper togheter. you can make eye drops with it too! just use 2 smelted pebber on top and 2 glass bottles on the bottom. it's that easy. try it for yourself! IT DOES NOT ADD ANYTHING ELSE, THE DESCRIPTION IS COMPLETE