diff --git a/compatibility.lua b/compatibility.lua
index ef0d413..d12ec79 100644
--- a/compatibility.lua
+++ b/compatibility.lua
@@ -19,12 +19,11 @@ local S=minetest.get_translator("industrialtest")
 local mtgAvailable=minetest.get_modpath("default")
 local mclAvailable=minetest.get_modpath("mcl_core")
 
-industrialtest={}
 industrialtest.elementKeys={}
 
 -- compatibilty that adds not existing elements
 if mclAvailable then
-	local function registerMineral(name,displayName,oreBlastResistance,oreHardness,rawBlockBlastResistance,rawBlockHardness,blockBlastResistance,blockHardness)
+	industrialtest.registerMineral=function(name,displayName,oreBlastResistance,oreHardness,rawBlockBlastResistance,rawBlockHardness,blockBlastResistance,blockHardness)
 		minetest.register_craftitem("industrialtest:raw_"..name,{
 			description=S("Raw "..displayName),
 			inventory_image="industrialtest_mcl_raw_"..name..".png"
@@ -83,9 +82,33 @@ if mclAvailable then
 				{"industrialtest:"..name.."_ingot","industrialtest:"..name.."_ingot","industrialtest:"..name.."_ingot"}
 			}
 		})
+		minetest.register_craft({
+			type="shaped",
+			output="industrialtest:raw_"..name.."_block",
+			recipe={
+				{"industrialtest:raw_"..name,"industrialtest:raw_"..name,"industrialtest:raw_"..name},
+				{"industrialtest:raw_"..name,"industrialtest:raw_"..name,"industrialtest:raw_"..name},
+				{"industrialtest:raw_"..name,"industrialtest:raw_"..name,"industrialtest:raw_"..name}
+			}
+		})
+		minetest.register_craft({
+			type="shapeless",
+			output="industrialtest:"..name.."_ingot 9",
+			recipe={
+				"industrialtest:"..name.."_block"
+			}
+		})
+		minetest.register_craft({
+			type="shapeless",
+			output="industrialtest:raw_"..name.." 9",
+			recipe={
+				"industrialtest:raw_"..name.."_block"
+			}
+		})
 	end
 	-- register required minerals that are not available in MCL
-	registerMineral("tin","Tin",3,3)
+	industrialtest.registerMineral("tin","Tin",3,3)
+	industrialtest.elementKeys.tinIngot="industrialtest:tin_ingot"
 	
 	-- register ore generation
 	local stonelike={"mcl_core:stone","mcl_core:diorite","mcl_core:andesite","mcl_core:granite"}
diff --git a/init.lua b/init.lua
index a393185..d891db6 100644
--- a/init.lua
+++ b/init.lua
@@ -17,5 +17,9 @@
 MODNAME="industrialtest"
 local modpath=minetest.get_modpath(MODNAME)
 
+-- table with global functions, variables etc
+industrialtest={}
+
 -- load other lua files
-dofile(modpath.."/compatibility.lua")
\ No newline at end of file
+dofile(modpath.."/compatibility.lua")
+dofile(modpath.."/minerals.lua")