diff --git a/mods/ra/bits/railmine.shp b/mods/ra/bits/railmine.shp
new file mode 100644
index 0000000000..9e73ab514d
Binary files /dev/null and b/mods/ra/bits/railmine.shp differ
diff --git a/mods/ra/rules/trees.yaml b/mods/ra/rules/trees.yaml
index be07fa2783..a6c275534f 100644
--- a/mods/ra/rules/trees.yaml
+++ b/mods/ra/rules/trees.yaml
@@ -167,12 +167,32 @@ MINE:
 		Terrain: Ore
 	EditorAppearance:
 		RelativeToTopLeft: yes
-		UseTerrainPalette: true
+		UseTerrainPalette: yes
 	AutoTargetIgnore:
 	BodyOrientation:
 	SeedsResource:
 	BelowUnits:
 
+RAILMINE:
+	Tooltip:
+		Name: Gem Mine
+	RenderBuilding:
+		Palette: terrain
+	Building:
+		Footprint: _x
+		Dimensions: 1,2
+	AppearsOnRadar:
+	RadarColorFromTerrain:
+		Terrain: Gems
+	EditorAppearance:
+		RelativeToTopLeft: yes
+		UseTerrainPalette: yes
+	AutoTargetIgnore:
+	BodyOrientation:
+	SeedsResource:
+		ResourceType: Gems
+	BelowUnits:
+
 BOXES01:
 	Inherits: ^Tree
 	Tooltip:
diff --git a/mods/ra/sequences/map.yaml b/mods/ra/sequences/map.yaml
index 253388320d..1be8780356 100644
--- a/mods/ra/sequences/map.yaml
+++ b/mods/ra/sequences/map.yaml
@@ -229,6 +229,12 @@ mine:
 	active:
 		Start: 0
 
+railmine:
+	idle:
+		Start: 0
+	active:
+		Start: 0
+
 v01:
 	idle:
 		Start: 0