单词 | hydrogarnet |
释义 | > as lemmashydrogarnet hydrogarnet n. Brit. , U.S. Mineralogy any mineral whose formula is that of a garnet in which water molecules replace some or all of the silicate groups.ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > garnet garneta1350 granatea1400 green iron ore1804 hydrogarnet1941 1941 E. P. Flint et al. in Jrnl. Res. Nat. Bureau of Standards (U.S.) XXVI. 14 An extension of the study revealed that silica could replace water in both 3CaO.Al2O3.6H2O and 3CaO.Fe2O3.6H2O, and that the end products of these substitutions are grossularite garnet, 3CaO.Al2O3.3SiO2, and andradite garnet, 3CaO.Fe2O3.3SiO2, respectively... The hydrous members of the series may be termed ‘hydrogarnets’ to indicate their relationship to the naturally occurring garnets. 1966 W. A. Deer et al. Introd. Rock-forming Minerals 23 In the hydrogarnets there is replacement of SiO2 by 2H2O, with vacant Si spaces in the structure. < as lemmas |
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