EG Ruby Mod is adding Ruby items mod adding 2 types of ruby first one "Ruby" (Classic Ruby) and second "Ruby Plus" (Better Ruby).
You can use Ruby for crafting tools(Sword,Pickaxe,Shovel,Axe).
You can use Ruby Plus for crafting tools(Sword,Pickaxe,Shovel,Axe).
You can use Ruby for crafting Armor.
You can use Ruby for crafting Ruby Apple too it gives you some effects.
If you want to craft Ruby Plus (Better Ruby) you must smelt Ruby Block.
EG Ruby Mod Team
