{
 "note": "Ingredients for a reweightable supply-risk index. score = concentration(unit) x governance-factor x recycling-discount x substitution-discount, each toggle optional. There is no single risk number; the page lets the reader choose the weights.",
 "n": 28,
 "materials": [
  {
   "label": "beryllium",
   "title": "Beryllium",
   "hhi_value": 1,
   "hhi_volume": 0.444,
   "hhi_prod": 0.415,
   "gov_risk": 0.438,
   "recycling": 0,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "United States",
   "top_share": 59.4
  },
  {
   "label": "boron",
   "title": "Boron",
   "hhi_value": 0.963,
   "hhi_volume": 0.389,
   "hhi_prod": 0.28,
   "gov_risk": 0.527,
   "recycling": 1,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "Türkiye",
   "top_share": 44.9
  },
  {
   "label": "magnets",
   "title": "Rare earths / magnets",
   "hhi_value": 0.861,
   "hhi_volume": 0.541,
   "hhi_prod": 0.486,
   "gov_risk": 0.536,
   "recycling": 1,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 67.8
  },
  {
   "label": "magnesium",
   "title": "Magnesium",
   "hhi_value": 0.849,
   "hhi_volume": 0.6,
   "hhi_prod": 0.457,
   "gov_risk": 0.529,
   "recycling": 13,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "China",
   "top_share": 66.5
  },
  {
   "label": "arsenic",
   "title": "Arsenic",
   "hhi_value": 0.754,
   "hhi_volume": 0.663,
   "hhi_prod": 0.414,
   "gov_risk": 0.555,
   "recycling": 0,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "Peru",
   "top_share": 51.0
  },
  {
   "label": "niobium",
   "title": "Niobium",
   "hhi_value": 0.734,
   "hhi_volume": 0.529,
   "hhi_prod": 0.858,
   "gov_risk": 0.537,
   "recycling": 0,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "Brazil",
   "top_share": 92.4
  },
  {
   "label": "feldspar",
   "title": "Feldspar",
   "hhi_value": 0.714,
   "hhi_volume": 0.29,
   "hhi_prod": 0.122,
   "gov_risk": 0.568,
   "recycling": 0,
   "substitutability": "low",
   "sub_ease": 0.2,
   "top_producer": "Türkiye",
   "top_share": 24.7
  },
  {
   "label": "germanium",
   "title": "Germanium",
   "hhi_value": 0.712,
   "hhi_volume": 0.104,
   "hhi_prod": 0.873,
   "gov_risk": 0.548,
   "recycling": 2,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 93.3
  },
  {
   "label": "graphite",
   "title": "Graphite",
   "hhi_value": 0.691,
   "hhi_volume": 0.331,
   "hhi_prod": 0.586,
   "gov_risk": 0.556,
   "recycling": 3,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 75.9
  },
  {
   "label": "lithium",
   "title": "Lithium",
   "hhi_value": 0.584,
   "hhi_volume": 0.584,
   "hhi_prod": 0.244,
   "gov_risk": 0.38,
   "recycling": 0,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "Australia",
   "top_share": 38.2
  },
  {
   "label": "gallium",
   "title": "Gallium",
   "hhi_value": 0.503,
   "hhi_volume": 0.104,
   "hhi_prod": 0.974,
   "gov_risk": 0.549,
   "recycling": 0,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 98.7
  },
  {
   "label": "antimony",
   "title": "Antimony",
   "hhi_value": 0.494,
   "hhi_volume": 0.154,
   "hhi_prod": 0.213,
   "gov_risk": 0.663,
   "recycling": 28,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "China",
   "top_share": 32.7
  },
  {
   "label": "phosphorus",
   "title": "Phosphorus",
   "hhi_value": 0.48,
   "hhi_volume": 0.378,
   "hhi_prod": 0.233,
   "gov_risk": 0.538,
   "recycling": 0,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 44.1
  },
  {
   "label": "cobalt",
   "title": "Cobalt",
   "hhi_value": 0.474,
   "hhi_volume": 0.186,
   "hhi_prod": 0.571,
   "gov_risk": 0.741,
   "recycling": 22,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "Congo, D.R.",
   "top_share": 74.5
  },
  {
   "label": "manganese",
   "title": "Manganese",
   "hhi_value": 0.432,
   "hhi_volume": 0.365,
   "hhi_prod": 0.222,
   "gov_risk": 0.531,
   "recycling": 9,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "South Africa",
   "top_share": 39.2
  },
  {
   "label": "vanadium",
   "title": "Vanadium",
   "hhi_value": 0.404,
   "hhi_volume": 0.126,
   "hhi_prod": 0.513,
   "gov_risk": 0.573,
   "recycling": 2,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "China",
   "top_share": 68.5
  },
  {
   "label": "tungsten",
   "title": "Tungsten",
   "hhi_value": 0.396,
   "hhi_volume": 0.215,
   "hhi_prod": 0.615,
   "gov_risk": 0.543,
   "recycling": 42,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 77.9
  },
  {
   "label": "cokingcoal",
   "title": "Coking coal",
   "hhi_value": 0.393,
   "hhi_volume": 0.195,
   "hhi_prod": 0.285,
   "gov_risk": 0.491,
   "recycling": 0,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 49.4
  },
  {
   "label": "bauxite",
   "title": "Bauxite / aluminium",
   "hhi_value": 0.389,
   "hhi_volume": 0.501,
   "hhi_prod": 0.211,
   "gov_risk": 0.52,
   "recycling": 32,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "Guinea",
   "top_share": 34.2
  },
  {
   "label": "baryte",
   "title": "Baryte",
   "hhi_value": 0.387,
   "hhi_volume": 0.134,
   "hhi_prod": 0.136,
   "gov_risk": 0.57,
   "recycling": 1,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "China",
   "top_share": 22.4
  },
  {
   "label": "platinum",
   "title": "Platinum",
   "hhi_value": 0.373,
   "hhi_volume": 0.184,
   "hhi_prod": 0.519,
   "gov_risk": 0.544,
   "recycling": 14,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "South Africa",
   "top_share": 70.2
  },
  {
   "label": "fluorspar",
   "title": "Fluorspar",
   "hhi_value": 0.321,
   "hhi_volume": 0.26,
   "hhi_prod": 0.488,
   "gov_risk": 0.557,
   "recycling": 1,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 67.7
  },
  {
   "label": "tantalum",
   "title": "Tantalum",
   "hhi_value": 0.265,
   "hhi_volume": 0.158,
   "hhi_prod": 0.241,
   "gov_risk": 0.664,
   "recycling": 1,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "Congo, D.R.",
   "top_share": 41.1
  },
  {
   "label": "phosphate",
   "title": "Phosphate rock",
   "hhi_value": 0.259,
   "hhi_volume": 0.166,
   "hhi_prod": 0.233,
   "gov_risk": 0.538,
   "recycling": 17,
   "substitutability": "high",
   "sub_ease": 1.0,
   "top_producer": "China",
   "top_share": 44.1
  },
  {
   "label": "palladium",
   "title": "Palladium",
   "hhi_value": 0.246,
   "hhi_volume": 0.141,
   "hhi_prod": 0.314,
   "gov_risk": 0.566,
   "recycling": 14,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "Russia",
   "top_share": 40.9
  },
  {
   "label": "copper",
   "title": "Copper",
   "hhi_value": 0.245,
   "hhi_volume": 0.106,
   "hhi_prod": 0.109,
   "gov_risk": 0.516,
   "recycling": 17,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "Chile",
   "top_share": 24.0
  },
  {
   "label": "titanium",
   "title": "Titanium",
   "hhi_value": 0.208,
   "hhi_volume": 0.206,
   "hhi_prod": 0.199,
   "gov_risk": 0.535,
   "recycling": 19,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "China",
   "top_share": 36.2
  },
  {
   "label": "nickel",
   "title": "Nickel",
   "hhi_value": 0.183,
   "hhi_volume": 0.086,
   "hhi_prod": 0.404,
   "gov_risk": 0.525,
   "recycling": 16,
   "substitutability": "medium",
   "sub_ease": 0.6,
   "top_producer": "Indonesia",
   "top_share": 62.2
  }
 ]
}