{
  "growth_chance": 0,
  "area_condition": {
    "must_have": {
      "fluids": ["minecraft:lava"],
      "predicate_type": "immersive_weathering:fluid_match"
    },
    "must_not_have": {
      "fluids": ["minecraft:water"],
      "predicate_type": "immersive_weathering:fluid_match"
    },
    "radiusX": 3,
    "radiusY": 3,
    "radiusZ": 3,
    "requiredAmount": 12,
    "type": "generate_if_not_too_many"
  },
  "growth_for_face": [
    {
      "growth": [
        {
          "data": {
            "block": {
              "Name": "minecraft:magma_block"
            }
          },
          "weight": 1
        }
      ]
    }
  ],
  "owners": [ "minecraft:magma_block"],
  "replacing_target": {
    "block": "minecraft:netherrack",
    "predicate_type": "minecraft:block_match",
    "probability": 0.7
  }
}