noun🔗Share鶏冠石（けいかんせき）A mineral, arsenic sulfide (AsS), often associated with orpiment and stibnite in lead, silver and gold ores."The museum display case held a sample of ore, showcasing both the bright yellow orpiment and the deep red realgar nestled together. "博物館の陳列ケースには鉱石の標本があり、鮮やかな黄色の石黄と、深く赤い鶏冠石が一緒に展示されていました。mineralsubstancegeologychemistrymaterialChat with AIVocabulary GamePractice Reading
