{
  "type": "create:mixing",
  "heat_requirement": "heated",
  "ingredients": [
    { "item": "minecraft:basalt" },
    { "item": "minecraft:gravel" },
    { "item": "minecraft:calcite" },
    {
      "type": "neoforge:single",
      "fluid": "minecraft:water",
      "amount": 250
    }
  ],
  "results": [
    { "id": "minecraft:tuff" }
  ]
}