{
    "type": "minecraft:delta_feature",
    "config": {
      "contents": {
        "Name": "minecraft:budding_amethyst"
      },
      "rim": {
        "Name": "minecraft:calcite"
      },
      "size": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": 1,
          "max_inclusive": 2
        }
      },
      "rim_size": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": 2,
          "max_inclusive": 3
        }
      }
    }
  }
  