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单词 dumortierite
释义 dumortierite Min.|djuːˈmɔːtɪəraɪt|
[Named 1881 after M. Dumortier.]
A silicate of alumina, occurring in minute crystals in gneiss, and showing unusual dichroism.
1881Amer. Jrnl. Sc. Ser. iii. XXII. 157 Dumortierite..has a bright blue color.
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更新时间:2024/12/22 14:21:19