diff --git a/code/game/objects/items/stacks/tiles/tile_mineral.dm b/code/game/objects/items/stacks/tiles/tile_mineral.dm
index f3b5a01f848..89b6b09bfa6 100644
--- a/code/game/objects/items/stacks/tiles/tile_mineral.dm
+++ b/code/game/objects/items/stacks/tiles/tile_mineral.dm
@@ -6,6 +6,7 @@
 	origin_tech = "plasma=1"
 	turf_type = /turf/simulated/floor/mineral/plasma
 	mineralType = "plasma"
+	materials = list(MAT_PLASMA=500)
 
 /obj/item/stack/tile/mineral/uranium
 	name = "uranium tile"
@@ -15,6 +16,7 @@
 	origin_tech = "material=1"
 	turf_type = /turf/simulated/floor/mineral/uranium
 	mineralType = "uranium"
+	materials = list(MAT_URANIUM=500)
 
 /obj/item/stack/tile/mineral/gold
 	name = "gold tile"
@@ -24,6 +26,7 @@
 	origin_tech = "material=1"
 	turf_type = /turf/simulated/floor/mineral/gold
 	mineralType = "gold"
+	materials = list(MAT_GOLD=500)
 
 /obj/item/stack/tile/mineral/silver
 	name = "silver tile"
@@ -33,6 +36,7 @@
 	origin_tech = "material=1"
 	turf_type = /turf/simulated/floor/mineral/silver
 	mineralType = "silver"
+	materials = list(MAT_SILVER=500)
 
 /obj/item/stack/tile/mineral/diamond
 	name = "diamond tile"
@@ -42,6 +46,7 @@
 	origin_tech = "material=2"
 	turf_type = /turf/simulated/floor/mineral/diamond
 	mineralType = "diamond"
+	materials = list(MAT_DIAMOND=500)
 
 /obj/item/stack/tile/mineral/bananium
 	name = "bananium tile"
@@ -51,4 +56,5 @@
 	origin_tech = "material=1"
 	turf_type = /turf/simulated/floor/mineral/bananium
 	mineralType = "bananium"
+	materials = list(MAT_BANANIUM=500)
 
diff --git a/code/modules/research/xenobiology/xenobiology.dm b/code/modules/research/xenobiology/xenobiology.dm
index fb55059cbcf..bee67a1fcec 100644
--- a/code/modules/research/xenobiology/xenobiology.dm
+++ b/code/modules/research/xenobiology/xenobiology.dm
@@ -477,7 +477,7 @@
 	icon_state = "tile-bluespace"
 	w_class = 3
 	force = 6
-	materials = list(MAT_METAL=937.5)
+	materials = list(MAT_METAL=500)
 	throwforce = 10
 	throw_speed = 3
 	throw_range = 7
@@ -500,7 +500,7 @@
 	icon_state = "tile-sepia"
 	w_class = 3
 	force = 6
-	materials = list(MAT_METAL=937.5)
+	materials = list(MAT_METAL=500)
 	throwforce = 10
 	throw_speed = 3
 	throw_range = 7