{
    "feature": "far_end:amethyst/island/calcite_bottom",
    "placement": [
        {
            "type": "minecraft:count",
            "count": 40
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:noise_based_count",
            "noise_to_count_ratio": 10,
            "noise_factor": 20,
            "noise_offset": 0
        },
        {
            "type": "minecraft:height_range",
            "height": {
                "type": "minecraft:uniform",
                "min_inclusive": {
                    "above_bottom": 0
                },
                "max_inclusive": {
                    "below_top": 0
                }
            }
        },
        {
            "type": "minecraft:environment_scan",
            "direction_of_search": "up",
            "target_condition": {
                "type": "minecraft:solid"
            },
            "allowed_search_condition": {
                "type": "minecraft:matching_blocks",
                "blocks": [
                    "minecraft:air"
                ]
            },
            "max_steps": 32
        },
        {
            "type": "minecraft:biome"
        }
    ]
}
