Bad fix WIP

code/modules/mining/mine_items.dm

@@ -128,6 +128,26 @@
 	edge = TRUE
 	var/digspeed = 40
 
+/obj/item/weapon/shovel/wood
+	icon_state = "whiteshovel"
+	item_state = "whiteshovel"
+	var/datum/material/material
+
+/obj/item/weapon/shovel/wood/Initialize(var/ml, var/_mat)
+	. = ..()
+	material = get_material_by_name(_mat)
+	if(!istype(material))
+		material = null
+	else
+		name = "[material.display_name] shovel"
+		matter = list("[material.name]" = 50)
+		update_icon()
+
+/obj/item/weapon/shovel/wood/update_icon()
+	. = ..()
+	color = material ? material.icon_colour : initial(color)
+	alpha = min(max(255 * material.opacity, 80), 255)
+
 /obj/item/weapon/shovel/spade
 	name = "spade"
 	desc = "A small tool for digging and moving dirt."

code/modules/mining/mine_turfs.dm

@@ -6,24 +6,25 @@ var/list/mining_overlay_cache = list()
 	icon = 'icons/turf/walls.dmi'
 	icon_state = "rock-dark"
 	density = TRUE
-
+	
 /turf/simulated/mineral //wall piece
 	name = "rock"
 	icon = 'icons/turf/walls.dmi'
 	icon_state = "rock"
-	var/rock_side_icon_state = "rock_side"
-	var/sand_icon_state = "asteroid"
-	var/rock_icon_state = "rock"
-	var/random_icon = 0
 	oxygen = 0
 	nitrogen = 0
 	opacity = 1
 	density = TRUE
 	blocks_air = 1
 	temperature = T0C
-
 	can_dirty = FALSE
 
+	var/floor_name = "sand"
+	var/rock_side_icon_state = "rock_side"
+	var/sand_icon_state = "asteroid"
+	var/rock_icon_state = "rock"
+	var/random_icon = 0
+
 	var/ore/mineral
 	var/sand_dug
 	var/mined_ore = 0
@@ -65,6 +66,10 @@ var/list/mining_overlay_cache = list()
 
 	has_resources = 1
 
+/turf/simulated/mineral/ChangeTurf(turf/N, tell_universe, force_lighting_update, preserve_outdoors)
+	clear_ore_effects()
+	. = ..()
+
 // Alternative rock wall sprites.
 /turf/simulated/mineral/light
 	icon_state = "rock-light"
@@ -109,6 +114,14 @@ var/list/mining_overlay_cache = list()
 	blocks_air = 0
 	can_build_into_floor = TRUE
 
+/turf/simulated/mineral/floor/mud
+	icon_state = "mud"
+	sand_icon_state = "mud"
+
+/turf/simulated/mineral/floor/dirt
+	icon_state = "dirt"
+	sand_icon_state = "dirt"
+
 //Alternative sand floor sprite.
 /turf/simulated/mineral/floor/light
 	icon_state = "sand-light"
@@ -140,6 +153,7 @@ var/list/mining_overlay_cache = list()
 	opacity = 0
 	blocks_air = 0
 	can_build_into_floor = TRUE
+	clear_ore_effects()
 	update_general()
 
 /turf/simulated/mineral/proc/make_wall()
@@ -223,7 +237,7 @@ var/list/mining_overlay_cache = list()
 
 	//We are a sand floor
 	else
-		name = "sand"
+		name = floor_name
 		icon = 'icons/turf/flooring/asteroid.dmi'
 		icon_state = sand_icon_state