anchor.diff:  	item_state = "tile-diamond"
   	turf_type = /turf/open/floor/mineral/diamond
   	mineralType = "diamond"
  -	materials = list(/datum/material/diamond=500)
  +	materials = list(MAT_DIAMOND=500)
   
   /obj/item/stack/tile/mineral/bananium
   	name = "bananium tile"
  
positive.code: 	item_state = "tile-silver"
  	turf_type = /turf/open/floor/mineral/silver
  	mineralType = "silver"
  	materials = list(/datum/material/silver=500)
  
  /obj/item/stack/tile/mineral/diamond
  	name = "diamond tile"
  
negative.code: 	item_state = "tile-gold"
  	turf_type = /turf/open/floor/mineral/gold
  	mineralType = "gold"
  	materials = list(MAT_GOLD=500)
  
  /obj/item/stack/tile/mineral/silver
  	name = "silver tile"
  