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Britholite-(Y), Bastnäsite-(Ce), Tengerite-(Y)


Britholite-(Y) : Ca2(Y,Ca)3(SiO4,PO4)3(OH,F), Bastnäsite-(Ce) : (Ce,La)(CO3)F, Tengerite-(Y) : Y2(CO3)3·2-3H2O
minID: WV9-KMT

Photo Copyright © Pavel M. Kartashov collection & photo  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 8 cm x 7 cm x 5 cm

Britholite-(Y) brown glassy grains in quartz matrix with minor black Magnetite. This britholite is Y-dominant, but REE spectrum displased to the left side with the maximum on Ce. So the main alteration product of this Britholite-(Y) is Bastnasite-(Ce) - its yellow masses are well visible at right part of specimen. Minute snow-white films of Tengerite-(Y) are visible in central part of the specimen. Its size is 8x7x5 cm and radioactivity is 1024 μR/h. Pavel M. Kartashov collection and photo.

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Photo added: 7th Sep 2006

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