From structure topology to chemical composition. XVIII. Titanium silicates : revision of the crystal structure and chemical formula of betalomonosovite, a group-IV TS-block mineral from the Lovozero alkaline massif, Kola peninsula, Russia

• Published in: The Canadian Mineralogist
• Main Authors: E. Sokolova, Y. Abdu, F. C. Hawthorne, A. Genovese, A. P. Khomyakov, F. Cámara
• Other Authors: F.C. Hawthorne, A.P. Khomyakov
• Format: Article in Journal/Newspaper
• Language: English
• Published: Mineralogical Association of Canada 2015
• Subjects: Betalomonosovite; Chemical formula; Crystal structure; EMP analysi; FTIR spectroscopy; Raman spectroscopy; Transmission electron microscopy; TS-block; Settore GEO/06 - Mineralogia; Kola Peninsula; Lovozero; kola peninsula
• Online Access: http://hdl.handle.net/2434/477251; https://doi.org/10.3749/canmin.1400044

The crystal structure of betalomonosovite, ideally Na6□4Ti4 (Si2O7)2 [PO3 (OH)][PO2 (OH) 2]O2 (OF), a 5.3331(7), b 14.172 (2), c 14.509(2) Å, α 103.174(2), β 96.320(2), γ 90.278(2)°, V 1060.7(4) Å3, from the Lovozero alkaline massif, Kola peninsula, Russia, has been refined in the space group P1 to...