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Columbite-(Fe), Samarskite-(Y), Beryl


Columbite-(Fe) : FeNb2O6, Samarskite-(Y) : (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8, Beryl : Be3Al2Si6O18

Photo Copyright © Olav Revheim  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Brattekleiv (Bratteklev), Evje og Hornnes, Aust-Agder, Norway
3,5 cm ferrocolumbite in a feldspar matrix. The crystal is not complete, but the broken face shows an intergrowth between ferrocolumbite and samarskite. This is shown in the child photo. This also shows a yellow beryl crystal.

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