| Mineral: | Fergusonite-(Nd): (Nd,Ce)(Nb,Ti)O4
Ferriallanite-(Ce): CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)
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| 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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.jpg "Large Fergusonite-(Nd) Image")