diff --git a/minerals.lua b/minerals.lua
index 6c1b102..8816145 100644
--- a/minerals.lua
+++ b/minerals.lua
@@ -20,7 +20,7 @@ if industrialtest.mtgAvailable then
 		ore_type="scatter",
 		ore="industrialtest:stone_with_uranium",
 		wherein="default:stone",
-		clust_scarcity=7*7*7,
+		clust_scarcity=15*15*15,
 		clust_num_ores=3,
 		clust_size=3,
 		y_max=-128,
@@ -31,7 +31,7 @@ if industrialtest.mtgAvailable then
 		ore_type="scatter",
 		ore="industrialtest:stone_with_lead",
 		wherein="default:stone",
-		clust_scarcity=7*7*7,
+		clust_scarcity=11*11*11,
 		clust_num_ores=3,
 		clust_size=3,
 		y_max=-48,
@@ -45,7 +45,7 @@ elseif industrialtest.mclAvailable then
 		ore_type="scatter",
 		ore="industrialtest:stone_with_uranium",
 		wherein=stonelike,
-		clust_scarcity=7*7*7,
+		clust_scarcity=15*15*15,
 		clust_num_ores=3,
 		clust_size=3,
 		y_max=mcl_worlds.layer_to_y(20),
@@ -55,7 +55,7 @@ elseif industrialtest.mclAvailable then
 		ore_type="scatter",
 		ore="industrialtest:deepslate_with_uranium",
 		wherein=deepslatelike,
-		clust_scarcity=7*7*7,
+		clust_scarcity=15*15*15,
 		clust_num_ores=3,
 		clust_size=3,
 		y_max=mcl_worlds.layer_to_y(15),
@@ -66,7 +66,7 @@ elseif industrialtest.mclAvailable then
 		ore_type="scatter",
 		ore="industrialtest:stone_with_lead",
 		wherein=stonelike,
-		clust_scarcity=7*7*7,
+		clust_scarcity=11*11*11,
 		clust_num_ores=3,
 		clust_size=3,
 		y_max=mcl_worlds.layer_to_y(30),
@@ -76,7 +76,7 @@ elseif industrialtest.mclAvailable then
 		ore_type="scatter",
 		ore="industrialtest:deepslate_with_lead",
 		wherein=deepslatelike,
-		clust_scarcity=7*7*7,
+		clust_scarcity=11*11*11,
 		clust_num_ores=3,
 		clust_size=3,
 		y_max=mcl_worlds.layer_to_y(15),