单词 | melanosiderite |
释义 | melanosiderite/ˌmɛlənəʊˈsɪdərʌɪt/Mineralogy noun A silicate of aluminium and ferric iron occurring in black vitreous masses. OriginLate 19th century; earliest use found in Josiah Parsons Cooke (1827–1894). From melano- + siderite. |
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