单词 | aegirite |
释义 | aegiriten. Mineralogy. Now rare. = aegirine n. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxene > clinopyroxenes > acmite or aegerite acmite1823 aegirine1842 aegirite1868 1868 J. D. Dana Syst. Mineral. (ed. 5) 223 Ægirite..monoclinic, and isomorphous with pyroxene. 1892 Amer. Naturalist 26 418 The pyroxene is aegirite instead of diopside. 1934 Proc. Geologists' Assoc. 45 312 A narrow rim of the Pre-Cambrian granite, surrounding the area, is metamorphosed to ægirite syenite by escaping vapours containing soda and carbonic acid. 2002 Chem. Business NewsBase (Nexis) 7 Mar. JtStCo Apatit of Kirovsk, Russia, shipped nearly 500,000 tonnes of aegirite concentrate in 2001. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online March 2022). < n.1868 |
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