diff --git a/mods/ra/rules/system.yaml b/mods/ra/rules/system.yaml
index e99790cfe0..36fc421ecf 100644
--- a/mods/ra/rules/system.yaml
+++ b/mods/ra/rules/system.yaml
@@ -279,6 +279,7 @@ World:
 		PipColor: Yellow
 		AllowedTerrainTypes: Clear,Road
 		AllowUnderActors: false
+		TerrainType: Ore
 	ResourceType@gem:
 		ResourceType: 2
 		Palette: player
@@ -288,6 +289,7 @@ World:
 		PipColor: Red
 		AllowedTerrainTypes: Clear,Road
 		AllowUnderActors: false
+		TerrainType: Gems
 	SmudgeLayer@SCORCH:
 		Type:Scorch
 		SmokePercentage:50
diff --git a/mods/ra/tilesets/desert.yaml b/mods/ra/tilesets/desert.yaml
index df57060819..1ba9d9a4e8 100644
--- a/mods/ra/tilesets/desert.yaml
+++ b/mods/ra/tilesets/desert.yaml
@@ -64,6 +64,10 @@ Terrain:
 		Buildable: False
 		AcceptsSmudgeType: Crater, Scorch
 		Color: 148, 128, 96
+	TerrainType@Gems:
+		Type: Gems
+		AcceptsSmudgeType: Crater, Scorch
+		Color: 132, 112, 255
 
 Templates:
 	Template@255:
diff --git a/mods/ra/tilesets/interior.yaml b/mods/ra/tilesets/interior.yaml
index de092f2004..30ddb2b4bb 100644
--- a/mods/ra/tilesets/interior.yaml
+++ b/mods/ra/tilesets/interior.yaml
@@ -46,6 +46,10 @@ Terrain:
 		Type: Ore
 		AcceptsSmudgeType: Crater, Scorch
 		Color: 148, 128, 96
+	TerrainType@Gems:
+		Type: Gems
+		AcceptsSmudgeType: Crater, Scorch
+		Color: 132, 112, 255
 
 Templates:
 	Template@255:
diff --git a/mods/ra/tilesets/snow.yaml b/mods/ra/tilesets/snow.yaml
index 776964d696..255f14e890 100644
--- a/mods/ra/tilesets/snow.yaml
+++ b/mods/ra/tilesets/snow.yaml
@@ -47,6 +47,10 @@ Terrain:
 		Type: Ore
 		AcceptsSmudgeType: Crater, Scorch
 		Color: 148, 128, 96
+	TerrainType@Gems:
+		Type: Gems
+		AcceptsSmudgeType: Crater, Scorch
+		Color: 132, 112, 255
 
 Templates:
 	Template@255:
diff --git a/mods/ra/tilesets/temperat.yaml b/mods/ra/tilesets/temperat.yaml
index 4f2c4706c3..17625ef86e 100644
--- a/mods/ra/tilesets/temperat.yaml
+++ b/mods/ra/tilesets/temperat.yaml
@@ -47,6 +47,10 @@ Terrain:
 		Type: Ore
 		AcceptsSmudgeType: Crater, Scorch
 		Color: 148, 128, 96
+	TerrainType@Gems:
+		Type: Gems
+		AcceptsSmudgeType: Crater, Scorch
+		Color: 132, 112, 255
 
 Templates:
 	Template@255: