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Alluaivite Gallery

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Alluaivite : Na19(Ca,Mn)6(Ti,Nb)3Si26O74Cl·2H2O, Eudialyte : Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2, Cancrisilite : Na7[CO3|Al5Si7O24] · 3H2O

Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Specimen size 3x3 mm. Olivine like yellowish-green alluaivite grains associate with pinkish titanian eudialyte (~5 wt.% TiO2), large violet grain of cankrisilite, nepheline and aegirine xls. O.A. Ageeva photo and collection.
 © O.A. AgeevaPhoto ID: 43977    View Count: 545

Alluaivite : Na19(Ca,Mn)6(Ti,Nb)3Si26O74Cl·2H2O, Thermonatrite : Na2CO3·H2O, Villiaumite : NaF

Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

FOV 2x2 mm. Greenish-yellow alluaivite crystall contact with white secondary thermonatrite segregation. Red grain in the right part of photo - villiaumite. O.A. Ageeva specimen and photo.
 © O.A. AgeevaPhoto ID: 43979    View Count: 546

Alluaivite : Na19(Ca,Mn)6(Ti,Nb)3Si26O74Cl·2H2O, Eudialyte : Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2, Cancrisilite : Na7[CO3|Al5Si7O24] · 3H2O, Thermonatrite : Na2CO3·H2O

Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

FOV 2x2 mm. Transparent yellowish-grey alluaivite grain surrounded by white povdery secondary thermonatrite. In the left part of the photo located zonated eudialite grain - central pink part represented by eudialite, brownish outer part by titanian eudialyte. At the right part of the photo large cancrisilite grain is visible. O.A. Ageeva specimen ...
 © O.A. AgeevaPhoto ID: 43980    View Count: 381

Alluaivite : Na19(Ca,Mn)6(Ti,Nb)3Si26O74Cl·2H2O, Eudialyte : Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2, Cancrisilite : Na7[CO3|Al5Si7O24] · 3H2O

Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

FOV 3x3 mm. Large yellowish grain of alluaivite is in the center of the photo. Pink and transparent grains of eudialyte are surrounded by yellowish rims of titanian eudialite. Large violet grains are cancrisilite. Grey translucent grains are nepheline. O.A. Ageeva specimen and photo.
 © O.A. AgeevaPhoto ID: 43985    View Count: 368
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