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Fluorbritholite-(Y) from Kola Peninsula, Murmansk Oblast, Russia

E5A-Y3RFluorbritholite-(Y) (Y,Ca)5(SiO4)3F , Bastnäsite-(Ce) Ce(CO3)F

Multiple photos available
02611000017271951096048.jpg
Vyuntspakhk Mt, Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia

Dimensions: 3.4 cm x 3.4 cm x 3.4 cm

Big rounded grain of Fluorbritholite-(Y) from alkaline granites covered by yellow crust of alteration composed by Bastnasite-(Ce). Associated minerals are pinkish-grey K-Feldspar and Fergusonite-(Y) (on the back side). Size of standard plastic box is 3.4x3.4x3.4 cm. Collected before 1990. Pavel M. Kartashov collection (#3168) and photo.
Copyright: © Pavel M. Kartashov collection & photo      Photo ID: 467486     Uploaded by: Pavel Kartashov   Approval date: 2012-05-28   View Count: 958   Approval status: Public galleries    Type: Photo - 829 x 933 pixels (0.8 Mpix)

68H-MXHFluorbritholite-(Y) (Y,Ca)5(SiO4)3F

09731030017272032995945.jpg
Vyuntspakhk Mt, Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia

Dimensions: 5 mm x 5 mm x 3 mm

Dark brown resinous aggregate of fluorbritholite-(Y) without matrix.
Material collected and analysed by the species' co-author, Prof I Pekov.
Purchased in 2017.
Copyright: © Andrew Hodgson      Photo ID: 1100921     Uploaded by: Andrew Hodgson   Approval date: 2020-10-26   View Count: 260   Approval status: Public galleries    Type: Photo - 1120 x 1530 pixels (1.7 Mpix)
 
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