{
    "pools": [
        {
            "rolls": {
                "min": 1,
                "max": 4
            },
            "entries": [
                {
                    "type": "item",
                    "weight": 50,
                    "name": "minecraft:quartz"
                },
                {
                    "type": "item",
                    "weight": 50,
                    "name": "minecraft:air"
                }
            ]
        }
    ]
}