{
  "arfvedsonite":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a silicate of sodium, calcium, and iron, approximately Na 2\u20133 (Fe, Mg, Al) 5 Si 8 O 22 (OH) 2 , of the amphibole group occurring in black monoclinic strongly pleochroic prisms in certain igneous rocks":[]
    },
    "pronounciation":[
      "\u02c8\u00e4v\u0259\u0307ds\u0259\u02ccn\u012bt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "J. A. Arfvedson \u20201841 Swedish chemist + English -ite":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-120138"
  }
}