单词 | mosandrite |
释义 | mosandriten. Mineralogy. A monoclinic silicate and fluoride of sodium, calcium, cerium, and titanium which occurs as yellow to brown translucent crystals. ΚΠ 1846 Penny Cycl. Suppl. II. 308/2 Mosanderite occurs massive and fibrous, and crystallized in flat prisms. 1855 D. T. Ansted et al. in Orr's Circle Sci.: Inorg. Nature 530 Mosandrite. 1906 J. P. Iddings Rock Minerals ii. 458 Mosandrite and johnstrupite occur in nephelite-syenites and closely related rocks, chiefly in the region of the Langesund fjord, Norway; also in the aphanitic and lava equivalents in other localities. 1967 Norsk Geol. Tidsskr. 47 249 Ramsayite is an important constituent of the mosandrite pseudomorphs. 1992 Appl. Geochem. 7 417/2 Chemically complex Zr- and Ti-minerals such as eudialyte and mosandrite. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < n.1846 |
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