单词 | johannsenite |
释义 | johannseniten. Mineralogy. A brown, greyish, or greenish silicate of calcium and manganese, CaMnSi2O6, which often occurs with partial substitution of ferrous iron for manganese. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxene > clinopyroxenes > others hedenbergite1822 manganhedenbergite1887 pigeonite1900 johannsenite1932 1932 Amer. Mineralogist 17 575 The Mineralogical Society of America... List of papers to be presented Wednesday, December 28, 1932... W. T. Schaller.—Johannsenite, a new manganese pyroxene. 1963 W. A. Deer et al. Rock-forming Minerals II. 75 Johannsenite, the manganese analogue of diopside and hedenbergite, occurs in metasomatized limestones, and is found less frequently as a vein mineral. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018). < n.1932 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。