单词 | morencite |
释义 | morenciten. Mineralogy. A variety of nontronite, (Fe,Mg)2Si4O10(OH)2, with part of the ferric iron replaced by magnesium, occurring as brownish yellow seams in lime shale. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > nontronite pinguite1831 nontronite1832 fettbol1835 volkonskoite1844 gramenite1858 morencite1904 1904 W. Lindgren & W. F. Hillebrand in Amer. Jrnl. Sci. 168 457 Considering that the mineral is not a mixture, but optically well individualized, we have..thought best to designate it by the name morencite, derived from the locality in which it was found. 1928 Amer. Jrnl. Sci. 208 12 There is no good reason for separating müllerite, morencite, and hoeferite from nontronite on account of their lower water content. 1935 Amer. Mineralogist 20 475 Nontronites including morencite, pinguite, faratsihite, stilpnochloran and chloropal are like montmorillonite in structure. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < |
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