单词 | manganhedenbergite |
释义 | manganhedenbergiten. Mineralogy. A variety of hedenbergite containing 6.5 per cent manganese oxide. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxene > clinopyroxenes > others hedenbergite1822 manganhedenbergite1887 pigeonite1900 johannsenite1932 1887 J. D. Dana Man. Mineral. & Petrogr. (ed. 4) 267 Manganhedenbergite..contains 6 to 7 p.c. of manganese protoxide. 1959 Econ. Geol. 54 1003 This zone grades laterally into ore containing manganhedenbergite, quartz, and calcite, that was deposited in cooler ground adjacent to the central conduit. This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022). < n.1887 |
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