{
  "type": "minecraft:ore_vein",
  "density": "minecraft:overworld/ore_vein/copper_density",
  "filler_block": "minecraft:granite",
  "filler_gap": "minecraft:overworld/ore_vein/gap",
  "ore_block": "minecraft:copper_ore",
  "raw_ore_block": "minecraft:raw_copper_block",
  "raw_ore_chance": 0.02,
  "richness": "minecraft:overworld/ore_vein/richness"
}