[
    {
        "input":{
            "item":"minecraft:gravel"
        },
        "output":[
            {
                "item":{
                    "item":"minefantasy2:MF_Com_sharp_rock"
                },
                "chance":0.80
            }
			],
        "duration":{
            "hand":80,
            "block":80
        },
        "type":"both"
    }
]