Prismarine

Recipe #126

{
    "type": "minecraft:crafting_shaped",
    "category": "building",
    "key": {
        "#": "minecraft:prismarine_shard"
    },
    "pattern": [
        "##",
        "##"
    ],
    "result": {
        "count": 1,
        "id": "minecraft:prismarine"
    }
}