{
 "note": "Keys for object.materials. Grouped by what a museum card would call the class.",
 "entries": [
  {
   "key": "faience",
   "label": "Faience",
   "kind": "fired",
   "note": "glazed quartz paste; Egypt's amulet material at scale"
  },
  {
   "key": "terracotta",
   "label": "Fired clay",
   "kind": "fired"
  },
  {
   "key": "glass",
   "label": "Glass",
   "kind": "fired"
  },
  {
   "key": "coin",
   "label": "A coin",
   "kind": "metal"
  },
  {
   "key": "brass",
   "label": "Brass",
   "kind": "metal"
  },
  {
   "key": "copper",
   "label": "Copper and bronze",
   "kind": "metal"
  },
  {
   "key": "gold",
   "label": "Gold",
   "kind": "metal"
  },
  {
   "key": "iron",
   "label": "Iron",
   "kind": "metal",
   "note": "iron itself is the charm in a great many places"
  },
  {
   "key": "lead",
   "label": "Lead",
   "kind": "metal"
  },
  {
   "key": "silver",
   "label": "Silver",
   "kind": "metal"
  },
  {
   "key": "earth",
   "label": "Earth and ash",
   "kind": "mineral",
   "note": "grave earth, temple ash, volcanic sand"
  },
  {
   "key": "salt",
   "label": "Salt",
   "kind": "mineral"
  },
  {
   "key": "pixels",
   "label": "A screen",
   "kind": "modern",
   "note": "lock-screen charms, app charms, a photo of a charm"
  },
  {
   "key": "plastic",
   "label": "Plastic and resin",
   "kind": "modern"
  },
  {
   "key": "steel",
   "label": "Steel",
   "kind": "modern"
  },
  {
   "key": "amber",
   "label": "Amber",
   "kind": "organic"
  },
  {
   "key": "bone",
   "label": "Bone and ivory",
   "kind": "organic"
  },
  {
   "key": "cowrie",
   "label": "Cowrie",
   "kind": "organic"
  },
  {
   "key": "hair",
   "label": "Hair",
   "kind": "organic"
  },
  {
   "key": "leather",
   "label": "Leather and hide",
   "kind": "organic"
  },
  {
   "key": "coral",
   "label": "Red coral",
   "kind": "organic"
  },
  {
   "key": "shell",
   "label": "Shell",
   "kind": "organic"
  },
  {
   "key": "skin",
   "label": "Skin",
   "kind": "organic",
   "note": "the tattooed charm"
  },
  {
   "key": "tooth",
   "label": "Tooth, tusk and claw",
   "kind": "organic"
  },
  {
   "key": "herb",
   "label": "Herb and root",
   "kind": "plant"
  },
  {
   "key": "seed",
   "label": "Seed and nut",
   "kind": "plant"
  },
  {
   "key": "straw",
   "label": "Straw",
   "kind": "plant",
   "note": "the last sheaf; a charm that is meant to rot"
  },
  {
   "key": "wood",
   "label": "Wood",
   "kind": "plant"
  },
  {
   "key": "agate",
   "label": "Agate and onyx",
   "kind": "stone"
  },
  {
   "key": "carnelian",
   "label": "Carnelian",
   "kind": "stone",
   "note": "red; Egypt's colour for blood and life"
  },
  {
   "key": "flint",
   "label": "Flint",
   "kind": "stone"
  },
  {
   "key": "jade",
   "label": "Jade",
   "kind": "stone",
   "note": "nephrite and jadeite; China, Mesoamerica, Aotearoa"
  },
  {
   "key": "jet",
   "label": "Jet",
   "kind": "stone"
  },
  {
   "key": "lapis",
   "label": "Lapis lazuli",
   "kind": "stone"
  },
  {
   "key": "stone",
   "label": "Stone, unspecified",
   "kind": "stone",
   "note": "use where a source says only 'stone'"
  },
  {
   "key": "turquoise",
   "label": "Turquoise",
   "kind": "stone"
  },
  {
   "key": "knot",
   "label": "A knot",
   "kind": "textile"
  },
  {
   "key": "cloth",
   "label": "Cloth",
   "kind": "textile"
  },
  {
   "key": "thread",
   "label": "Thread and cord",
   "kind": "textile",
   "note": "red thread runs from the Mediterranean to Mongolia"
  },
  {
   "key": "ink",
   "label": "Ink",
   "kind": "written"
  },
  {
   "key": "palm-leaf",
   "label": "Palm leaf",
   "kind": "written"
  },
  {
   "key": "paper",
   "label": "Paper",
   "kind": "written"
  },
  {
   "key": "parchment",
   "label": "Parchment and vellum",
   "kind": "written"
  }
 ]
}