minecraft-assets/data/minecraft/recipes/diorite.json

{
  "type": "minecraft:crafting_shaped",
  "category": "building",
  "key": {
    "C": {
      "item": "minecraft:cobblestone"
    },
    "Q": {
      "item": "minecraft:quartz"
    }
  },
  "pattern": [
    "CQ",
    "QC"
  ],
  "result": {
    "count": 2,
    "item": "minecraft:diorite"
  }
}