Raman Spectroscopy of Garnet—group Minerals

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摘要 TheRamanspectraofthenaturalendmembersofthegarnet-groupminerals,whichincludepyrope,almandineandspessariteofFe-Algarnetseriesandgrossularite,andraditeanduvaroviteofCa-Fegarnetseries,havebeenstrdied.MeasuredRamanspectraofthesemineralsarereasonablyandqualitativelyassignedtotheinternalmodes,translationalandrotatorymodesofSiO4tetrahedra,aswellasthetranslationalmotionofbivalentcationsintheXsite.ThestretchandrotatoryA1gmodesfortheFe-AlgarnetseriesshowobviousRamanshiftsascomparedwiththosefortheCa-Fegarnetseries,owingtothecationsresidingintheXsiteconnectedwithSiO4tetrahedrabysharingthetwoedges.TheRamanshiftsofallmemberswithineitheroftheseriesareattributedmainlytothepropertiesofcationsintheXsitefortheFe-AlgarnetseriesandintheYsitefortheCa-Fegarnetseries.
机构地区 不详
出版日期 1994年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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