
lava cauldron 
    "tags": [ "crafting_table" ],
    "pattern": 
      "# #",
      "#0#",
      "###"

    "key": 
      "#": 
        "item": "minecraft:iron"

      "0": 
        "item": "minecraft:lava"

water cauldron 
    "tags": [ "crafting_table" ],
    "pattern": 
      "# #",
      "#0#",
      "###"

    "key": 
      "0": 
        "item": "minecraft:iron"

      "#": 
        "item": "minecraft:water"

lava cauldron 
    "tags": [ "crafting_table" ],
    "pattern": 
      "# #",
      "#0#",
      "###"

    "key": 
      "#": 
        "item": "minecraft:iron"

      "0": 
        "item": "minecraft:lava"

waterlava cauldron 
    "tags": [ "crafting_table" ],
    "pattern": 
      "#X#",
      "#0#",
      "###"

    "key": 
      "0": 
        "item": "minecraft:iron"

      "#": 
        "item": "minecraft:lava"

      "X": 
        "item": "minecraft:water"