 | | Report (issue) | | Na15Ca6Fe2+3Zr3Nb(Si25O73)(O, OH, H2O)3(F, Cl)2 Ferrokentbrooksite Crystal Data: Hexagonal. Point Group: 3m...group. Occurrence: A late-stage phase in agpaitic pegmatite dikes in nepheline syenite associated with an...[TL]. From the Narssârssuk pegmatite, Igaliko alkaline complex, southwestern Greenland. In Norway, from...Johnsen, O., J.D. Grice, R.A. Gault (2003) Ferrokentbrooksite, a new member of the eudialyite group from |  | | Journal (article/letter/editorial) | | Canadian Mineralogist Vol. 41, pp. 55-60 (2003) FERROKENTBROOKSITE, A NEW MEMBER OF THE EUDIALYTE GROUP FROM...Ottawa, Ontario K1P 6P4, Canada ABSTRACT Ferrokentbrooksite, ideally Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH...2.847(98)(404). The infrared spectrum of ferrokentbrooksite is given. An average result of two electronmicroprobe...crystal-structure analysis. The empirical formula of ferrokentbrooksite, based on 77.47 anions as determined in the...Dmeas = 3.06(3) g/cm3, Dcalc = 3.06 g/cm3. Ferrokentbrooksite possesses the eudialyte structure, and has |  | | Journal (article/letter/editorial) | | cavities of a eudialyte – aegirine – feldspar pegmatite. Associated minerals are: lamprophyllite, natrolite...Mineralogy 15, 181-184. 1311 NEW MINERALS Ferrokentbrooksite Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl...following localities: Narssârssuk pegmatite, Igaliko alkaline complex, southwestern Greenland; Langesundfjord...primary but late-stage phase found in a small pegmatite dike in nepheline syenite. Associated minerals...JOHNSEN, O., GRICE, J.D. & GAULT, R.A. (2003): Ferrokentbrooksite, a new member of the eudialyte group from |
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