Fergusonite-(Nd) Ferriallanite-(Ce) Image
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Fergusonite-(Nd)
,
Ferriallanite-(Ce)
Mineral:
Fergusonite-(Nd)
:
(Nd,Ce)(Nb,Ti)O4
Ferriallanite-(Ce)
:
CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)
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.
Copyright:
©
Pavel M. Kartashov
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