{
    "pools": [{
        "rolls": 4,
        "entries": [{
                "type": "item",
                "weight": 2,
                "name": "minecraft:andesite"
            },
            {
                "type": "item",
                "weight": 4,
                "name": "minecraft:granite"
            },
            {
                "type": "item",
                "weight": 6,
                "name": "minecraft:diorite"
            },
            {
                "type": "item",
                "weight": 0.9,
                "name": "minecraft:mossy_cobblestone"
            }
        ]
    }]
}