单词 | dumortierite |
释义 | dumortieriten. Mineralogy. A silicate of alumina, occurring in minute crystals in gneiss, and showing unusual dichroism. ΚΠ 1881 Amer. Jrnl. Sc. 3rd Ser. 22 157 Dumortierite..has a bright blue color. This entry has not yet been fully updated (first published 1897; most recently modified version published online September 2018). < n.1881 |
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