{
  "0": {
    "coal": 0,
    "copper": 0,
    "iron": 0,
    "amber": 0,
    "gold": 0,
    "aluminium": 0,
    "silver": 0,
    "emerald": 0,
    "ruby": 0,
    "diamond": 0,
    "topaz": 0,
    "sapphire": 0,
    "amethyst": 0,
    "alexandrite": 0,
    "titanium": 0,
    "uranium": 0,
    "platinum": 0,
    "helium3": 0,
    "obsidian": 0
  },
  "1": {
    "coal": 1
  },
  "2": {
    "coal": 0.70,
    "copper": 0.30
  },
  "3": {
    "coal": 0.595,
    "copper": 0.2833,
    "iron": 0.0917,
    "amber": 0.025,
    "gold": 0.005
  },
  "4": {
    "coal": 0.5425,
    "copper": 0.325,
    "iron": 0.1025,
    "amber": 0.0225,
    "gold": 0.0075
  },
  "5": {
    "coal": 0.4900,
    "copper": 0.3667,
    "iron": 0.1133,
    "amber": 0.0200,
    "gold": 0.0100
  },
  "13": {
    "copper": 1
  }
}