[
  {
    "id": "minecraft:coal_ore",
    "hardness": 2.5
  },
  {
    "id": "minecraft:iron_ore",
    "hardness": 3.0
  },
  {
    "id": "minecraft:gold_ore",
    "hardness": 3.5
  },
  {
    "id": "minecraft:diamond_ore",
    "hardness": 4.0
  },
  {
    "id": "minecraft:redstone_ore",
    "hardness": 3.0
  },
  {
    "id": "minecraft:lapis_ore",
    "hardness": 3.0
  },
  {
    "id": "minecraft:emerald_ore",
    "hardness": 4.0
  },
  {
    "id": "minecraft:deepslate_coal_ore",
    "hardness": 4.5
  },
  {
    "id": "minecraft:deepslate_iron_ore",
    "hardness": 5.0
  },
  {
    "id": "minecraft:deepslate_gold_ore",
    "hardness": 5.5
  },
  {
    "id": "minecraft:deepslate_diamond_ore",
    "hardness": 6.0
  },
  {
    "id": "minecraft:deepslate_redstone_ore",
    "hardness": 5.0
  },
  {
    "id": "minecraft:deepslate_lapis_ore",
    "hardness": 5.0
  },
  {
    "id": "minecraft:deepslate_emerald_ore",
    "hardness": 6.0
  },
  {
    "id": "minecraft:ancient_debris",
    "hardness": 10.0
  },
  {
    "tag": "iguanatweaksreborn:obsidians",
    "hardness": 33.0
  }
]