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单词 manganhedenbergite
释义

manganhedenbergiten.

Brit. /ˌmaŋɡ(ə)nˈhɛd(ə)nbəːɡʌɪt/, U.S. /ˌmæŋɡənˈhɛdənˌbərɡaɪt/
Origin: A borrowing from Swedish. Etymon: Swedish manganhedenbergit.
Etymology: < Swedish manganhedenbergit (M. Weibull 1883, in Geol. Föreningens i Stockholm Förhandl. 6 506) < mangan (see mangan- comb. form) + hedenbergit hedenbergite n.
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).
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n.1887
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