{
  "feature": {
    "type": "minecraft:block_column",
    "config": {
      "direction": "north",
      "allowed_placement": {
        "type": "minecraft:matching_blocks",
        "blocks": [
          "minecraft:air"
        ]
      },
      "prioritize_tip": false,
      "layers": [
        {
          "height": 1,
          "provider": {
            "type": "minecraft:weighted_state_provider",
            "entries": [
              {
                "weight": 99,
                "data": {
                  "Name": "minecraft:amethyst_block"
                }
              },
              {
                "weight": 1,
                "data": {
                  "Name": "minecraft:budding_amethyst"
                }
              }
            ]
          }
        },
        {
          "height": 1,
          "provider": {
            "type": "minecraft:noise_provider",
            "seed": 30,
            "noise": {
              "firstOctave": -3,
              "amplitudes": [
                1,
                0.75,
                1.25
              ]
            },
            "scale": 1,
            "states": [
              {
                "Name": "minecraft:small_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:small_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:small_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:medium_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:medium_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:large_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:amethyst_cluster",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:large_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:medium_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:medium_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:small_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:small_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              },
              {
                "Name": "minecraft:small_amethyst_bud",
                "Properties": {
                  "facing": "north",
                  "waterlogged": "false"
                }
              }
            ]
          }
        }
      ]
    }
  },
  "placement": [
    {
      "type": "minecraft:count",
      "count": 3
    },
    {
      "type": "minecraft:count",
      "count": 255
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:height_range",
      "height": {
        "type": "minecraft:uniform",
        "min_inclusive": {
          "absolute": -55
        },
        "max_inclusive": {
          "absolute": 0
        }
      }
    },
    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:all_of",
        "predicates": [
          {
            "type": "minecraft:matching_blocks",
            "blocks": [
              "minecraft:deepslate","amethyst_block"
            ]
          },
          {
            "type": "minecraft:matching_blocks",
            "offset": [
              0,
              0,
              -1
            ],
            "blocks": [
              "minecraft:air"
            ]
          },
          {
            "type": "minecraft:not",
            "predicate": {
              "type": "minecraft:any_of",
              "predicates": [
                {
                  "type": "minecraft:matching_blocks",
                  "offset": [
                    0,
                    1,
                    0
                  ],
                  "blocks": [
                    "minecraft:air"
                  ]
                },
                {
                  "type": "minecraft:matching_blocks",
                  "offset": [
                    0,
                    -1,
                    0
                  ],
                  "blocks": [
                    "minecraft:air"
                  ]
                },
                {
                  "type": "minecraft:matching_blocks",
                  "offset": [
                    -1,
                    0,
                    0
                  ],
                  "blocks": [
                    "minecraft:air"
                  ]
                },
                {
                  "type": "minecraft:matching_blocks",
                  "offset": [
                    1,
                    0,
                    0
                  ],
                  "blocks": [
                    "minecraft:air"
                  ]
                },
                {
                  "type": "minecraft:matching_blocks",
                  "offset": [
                    0,
                    0,
                    1
                  ],
                  "blocks": [
                    "minecraft:air"
                  ]
                }
              ]
            }
          }
        ]
      }
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
