You cannot splice this item. Category: terrain. Do not have caffeine after planting this one... It is going to take awhile. DEEP IRON ORE gives experience points when broken. It takes some effort to brake DEEP IRON ORE. By default you should get at least 1 seed back. Gemratio of DEEP IRON ORE is a mystery. Maybe you can check the wiki for <a href="https://growtopia.fandom.com/wiki/Deep_Iron_Ore">deep iron ore</a> Massproducing DEEP IRON ORE can be tricky. You will find out after you have harvested a few.