IIT JAM
Anukruti Asked a Question
October 8, 2020 8:16 pmpts 30 pts
  • IIT JAM
  • Geology (GG)

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  • Sajan sarthak sahoo thankyou
    Nepheline and Leucite are silica undersaturated minerals (low silica) content, Leucite has relatively more silica than Nepheline. Nepheline- NaAlSiO4 Leucite- KAlSi2O6 Hypersthene...
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  • Rahul pandey
    As you can see that there are two SiO2 (silica) in Leucite formula whereas in Nepheline formula there is only one SiO2; that's why Leucite contains comparatively more silica than N...
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    Anukruti
    ok sir
  • Rahul pandey Best Answer
    Answer(a): Nepheline, Leucite, Hypersthene, Orthoclase Nepheline- NaAlSiO4 Leucite- KAlSi2O6 Hypersthene- (Mg,Fe)2Si2O6 Orthoclase- KAlSi3O8 Nepheline and Leucite are silica unde...
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    Anukruti
    sir how will i know leucite or nepheline which is more silica undersatuarated???that is my problem both are feldspathoids
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