diff --git a/minerals.lua b/minerals.lua
index 8816145..aad04be 100644
--- a/minerals.lua
+++ b/minerals.lua
@@ -26,6 +26,7 @@ if industrialtest.mtgAvailable then
 		y_max=-128,
 		y_min=-31000
 	})
+
 	industrialtest.internal.registerMetal("lead","Lead",2)
 	minetest.register_ore({
 		ore_type="scatter",
@@ -37,10 +38,23 @@ if industrialtest.mtgAvailable then
 		y_max=-48,
 		y_min=-31000
 	})
+
+	industrialtest.internal.registerMetal("iridium","Iridium",4)
+	minetest.register_ore({
+		ore_type="scatter",
+		ore="industrialtest:stone_with_iridium",
+		wherein="default:stone",
+		clust_scarcity=40*40*40,
+		clust_num_ores=3,
+		clust_size=3,
+		y_max=-512,
+		y_min=-31000
+	})
 elseif industrialtest.mclAvailable then
-	industrialtest.internal.registerMetal("uranium","Uranium",4,4,4,4,5,5)
 	local stonelike={"mcl_core:stone","mcl_core:diorite","mcl_core:andesite","mcl_core:granite"}
 	local deepslatelike={"mcl_deepslate:deepslate","mcl_deepslate:tuff"}
+
+	industrialtest.internal.registerMetal("uranium","Uranium",4,4,4,4,5,5)
 	minetest.register_ore({
 		ore_type="scatter",
 		ore="industrialtest:stone_with_uranium",
@@ -61,6 +75,7 @@ elseif industrialtest.mclAvailable then
 		y_max=mcl_worlds.layer_to_y(15),
 		y_min=mcl_vars.mg_overworld_min
 	})
+
 	industrialtest.internal.registerMetal("lead","Lead",4,4,4,4,6,5)
 	minetest.register_ore({
 		ore_type="scatter",
@@ -82,4 +97,26 @@ elseif industrialtest.mclAvailable then
 		y_max=mcl_worlds.layer_to_y(15),
 		y_min=mcl_vars.mg_overworld_min
 	})
+
+	industrialtest.internal.registerMetal("iridium","Iridium",4,5,4,4,5,5)
+	minetest.register_ore({
+		ore_type="scatter",
+		ore="industrialtest:stone_with_iridium",
+		wherein=stonelike,
+		clust_scarcity=40*40*40,
+		clust_num_ores=3,
+		clust_size=3,
+		y_max=mcl_worlds.layer_to_y(20),
+		y_min=mcl_vars.mg_overworld_min
+	})
+	minetest.register_ore({
+		ore_type="scatter",
+		ore="industrialtest:deepslate_with_iridium",
+		wherein=deepslatelike,
+		clust_scarcity=40*40*40,
+		clust_num_ores=3,
+		clust_size=3,
+		y_max=mcl_worlds.layer_to_y(15),
+		y_min=mcl_vars.mg_overworld_min
+	})
 end