{
  "$schema": "https://oo-ld.org/latest/meta/oold-meta-schema.json",
  "$id": "Material.schema.json",
  "x-oold-uuid": "8c7ea4db-6549-5be0-bf95-20cc8b584e64",
  "x-oold-version": "0.1.0",
  "title": "Material",
  "description": "A material and what it is made of. The two compositions are separate claims: an elemental analysis names species, a recipe names ingredients, and a material may carry either or both.",
  "examples": [
    {
      "type": [
        "Material"
      ],
      "chemical_composition": {
        "type": [
          "ChemicalComposition"
        ],
        "components": [
          {
            "type": [
              "ChemicalComponent"
            ],
            "constituent": "Fe",
            "amount": {
              "type": [
                "MassFraction"
              ],
              "value": 96.7,
              "unit": "percent"
            }
          }
        ]
      }
    }
  ],
  "type": "object",
  "properties": {
    "type": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "default": [
        "Material"
      ]
    },
    "chemical_composition": {
      "$ref": "ChemicalComposition.schema.json"
    },
    "material_composition": {
      "$ref": "MaterialComposition.schema.json"
    }
  },
  "anyOf": [
    {
      "required": [
        "chemical_composition"
      ]
    },
    {
      "required": [
        "material_composition"
      ]
    }
  ],
  "@context": [
    "ChemicalComposition.schema.json",
    "MaterialComposition.schema.json",
    {
      "mat": {
        "@id": "https://w3id.org/oo-ld/schemas/materials/0.2/Material.schema.json#",
        "@prefix": true
      },
      "Material": "https://w3id.org/oo-ld/schemas/materials/0.2/Material.schema.json",
      "chemical_composition": {
        "@id": "mat:/properties/chemical_composition",
        "@type": "@id",
        "@context": "ChemicalComposition.schema.json"
      },
      "material_composition": {
        "@id": "mat:/properties/material_composition",
        "@type": "@id",
        "@context": "MaterialComposition.schema.json"
      }
    }
  ],
  "x-oold-context": {
    "Material": {
      "emmo:EMMO_bc37743c_37c4_4ec7_9d58_d1aae5567352": {
        "x-oold-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://w3id.org/oo-ld/schemas/mappings/emmo.sssom.tsv",
          "object_source_version": "https://w3id.org/emmo/1.0.4",
          "comment": "Substance, not Material: Material is ordinary matter with bonds, so it excludes gases and solutions"
        }
      },
      "pmd:PMD_0000000": {
        "x-oold-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://w3id.org/oo-ld/schemas/mappings/pmdco.sssom.tsv",
          "object_source_version": "https://w3id.org/pmd/co/3.1.0"
        }
      }
    },
    "chemical_composition": {
      "emmo:EMMO_51f426a6_af4a_4e91_a392_2b0bb635e2d5": {
        "x-oold-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://w3id.org/oo-ld/schemas/mappings/emmo.sssom.tsv",
          "object_source_version": "https://w3id.org/emmo/1.0.4",
          "comment": "hasChemicalComposition"
        }
      },
      "obo:RO_0000080": {
        "@reverse": "obo:RO_0000080",
        "x-oold-sssom": {
          "predicate_id": "skos:exactMatch",
          "mapping_set_id": "https://w3id.org/oo-ld/schemas/mappings/pmdco.sssom.tsv",
          "comment": "quality of, stated from the composition"
        }
      }
    },
    "material_composition": {
      "obo:RO_0000080": {
        "@reverse": "obo:RO_0000080",
        "x-oold-sssom": {
          "predicate_id": "skos:closeMatch",
          "mapping_set_id": "https://w3id.org/oo-ld/schemas/mappings/pmdco.sssom.tsv",
          "comment": "quality of; EMMO has no composition over portions"
        }
      }
    }
  }
}