{
  "weight": 30,
  "density": 0.25,
  "min_height": 20,
  "max_height": 40,
    "dimension_filter": [
    "is_nether"
  ],
  "generator": {
    "type": "layered",
    "radius": [
      14,
      16
    ]
  },
  "filler": {
    "type": "layered",
    "values": [
      {
        "primary": "ore:bastnasite"
      },
      {
        "secondary": "ore:bastnasite"
      },
      {
        "between": "ore:monazite"
      },
      {
        "sporadic": "ore:neodymium"
      }
    ]
  }
}