{
    "feature": "minecraft:ore_diamond_large",
    "placement": [
        {
            "type": "minecraft:count",
            "count": 6
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:height_range",
            "height": {
                "type": "minecraft:trapezoid",
                "max_inclusive": {
                    "absolute": 16
                },
                "min_inclusive": {
                    "absolute": -288
                }
            }
        },
        {
            "type": "minecraft:biome"
        }
    ]
}