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Fergusonite-(Y)-β, Ferriallanite-(Ce), Zircon, Kainosite-(Y), Quartz

Fergusonite-(Y)-β, Ferriallanite-(Ce), Zircon, Kainosite-(Y), Quartz

Brown agregate of tabular beta-Fergusonite-(Y) crystals associated with orange Zircon, black Ferriallanite-(Ce), white Kainosite-(Y) and glassy Quartz into apoeudialyte pseudomorphose. FOV 10x8 mm. Note special nontetragonal and nonbipyramidal morphology of xls and theyr "dry" lustre so characteristic for nonmetamict niobates. X-ray identification of not heated specimen. Composition of the mineral is - (Y0.70HREE0.23LREE0.04Ca0.01)0.98(Nb0.97Ta0.02Ti0.01)1.00O3.90(OH)0.10. Its REE spectrum has Dy maximum. Pavel M. Kartashov analysis, collection and photo; Locality: Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag, Mongolia;

Copyright:

Pavel M. Kartashov

Contribution:

Stefan - 2018-07-06 22:57:37

Count of picture requests:

476 (seit 14. Feb. 2008)

License Information:

Usage for Mineralienatlas project only

Picture number:

1530917857


Assignments


Mongolei/Chowd, Aimag/Altai-Hochgebirge/Khaldzan-Buragtag-Massiv/Ulyn Khuren/Neprimetnyi-Pegmatit - Fundstelle

Clinofergusonite-(Y) - Bildertabelle Mineral


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