{ "weight": 40, "density": 0.25, "min_height": 80, "max_height": 120, "dimension_filter": [ "is_nether" ], "generator": { "type": "layered", "radius": [ 14, 16 ] }, "filler": { "type": "layered", "values": [ { "primary": "ore:blue_topaz" }, { "secondary": "ore:topaz" }, { "between": "ore:chalcocite" }, { "sporadic": "ore:bornite" } ] } }