Biraite-(Ce)

Locality: Ust'-Biraya, Biraya Fe-REE ore occurrence, Biraya and Bya Rivers confluence area (Chara Basin), Vitim Plateau, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia

Brown grains of Biraite-(Ce) of the first generation. Small size, light brown colour, transparency and replacement by Hydroxylbastnasite-(Ce) are charecteristic for this generation. Associating minerals are: brownish-black Ferriallanite-(Ce), marine-green fibrous sodian Actinolite, white strontian Calcite, light-greenish apatite-like calcian Strontianite, honey-yellow Cordylite-(Ce) (at the upper part of the photo). FOV ~8x5 mm. Part of the holotype collected by A.A. Konev in 1998 on "Cordylite" vein. Pavel M. Kartashov collection and photo.

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Photo added: 2nd Oct 2006

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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