Ferriallanite-(Ce) Mineral Gallery

Ferriallanite-(Ce) Mineral Gallery
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Ferriallanite-(Ce) Minerals

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Ferriallanite-(Ce) Mineral Gallery With 4 Images

Ferriallanite-(Ce) Image

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Ferriallanite-(Ce): CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)  
Kainosite-(Y): Ca2(Y,Ce)2Si4O12(CO3)·(H2O)

Comments: Short prismatic black crystals of ferriallanite-(Ce) in white slightly weathered kainosite-(Y). Orange prisms are zircons of the first generation. Fragment of the holotype specimen.
Location: Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Crystal Size 2 mm.
© Pavel M. Kartashov

Ferriallanite-(Ce) Image

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Ferriallanite-(Ce): CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)  
Fergusonite-(Nd): (Nd,Ce)(Nb,Ti)O4

Comments: Orange-brown ferusonite-(Nd) grains in ferriallanite-(Ce) zone of the vein. Main black inclusions are ferriallanite-(Ce) crystals. White matrix is mixture of calcian strontianite and strontian calcite.
Location: Tornebohmite vein, Biraya Fe-REE ore occurrence, Biraya and Bya Rivers confluence area (Chara Basin), Vitim Plateau, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: FOV 1 cm.
© Pavel M. Kartashov

Ferriallanite-(Ce) Image

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Ferriallanite-(Ce): CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)  
Kainosite-(Y): Ca2(Y,Ce)2Si4O12(CO3)·(H2O)

Comments: Short prismatic black crystals of ferriallanite-(Ce) in white slightly weathered kainosite-(Y). Orange prisms are zircons of the first generation. Fragment of the holotype specimen.
Location: Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Crystal Size 2 mm.
© Pavel M. Kartashov

Ferriallanite-(Ce) Image

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Ferriallanite-(Ce): CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)  
Fergusonite-(Nd): (Nd,Ce)(Nb,Ti)O4

Comments: Orange-brown ferusonite-(Nd) grains in ferriallanite-(Ce) zone of the vein. Main black inclusions are ferriallanite-(Ce) crystals. White matrix is mixture of calcian strontianite and strontian calcite.
Location: Tornebohmite vein, Biraya Fe-REE ore occurrence, Biraya and Bya Rivers confluence area (Chara Basin), Vitim Plateau, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: FOV 1 cm.
© Pavel M. Kartashov