理学 >>> 地质学 >>> 矿床学与矿相学 >>> 凹凸棒石
搜索结果: 1-4 共查到矿床学与矿相学 leucite相关记录4条 . 查询时间(0.109 秒)
Twoseriesofleucitegroupmaterials,withK,Rb,andCsasextra-frameworkcations,havebeensynthesizedbyionexchangefromanaturalwell-orderedanalciteandanatural29 27disorderedleucite.Siand AlMASNMRdatafortheanalci...
High-resolution neutron powder diffraction was used to study phase transitions in theleucite phases of KAlSi206, RbAlSi20", CsAlSi206, and KFeSi206. Thetemperature-depen-dent structural behavior invol...
Thehigh-temperature cell parameters ofK2MgSis012have been measuredbyX-ray powder diffractionbetweenroom temperature and 842K.Afirst-order ferroelastic phase transition between the room-temperature P2...
Sanidine crystals precipitating from lamproitic magmascharacteristically contain ap-preciableamounts ofFeH. Sanidinegrainsfrom the LeuciteHillslamproites (Wyoming) have compositions in whichupto 70mol...

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