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|   |   | Name: Fersmanite RRUFF ID: R070290 Ideal Chemistry: Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 Locality: Vein No. 1 of Labuntsov, 3rd left tributary of Vuonnemijok river, Eveslogchorr Mt, Khibiny Massif, Kola peninsula, Murmanskaja oblast', Northern Region, Russia Source: Michael Scott S103435 [view label] Owner: RRUFF Description: Brown crystals frozen in orthoclase, associated with red eudialyte and black arfvedsonite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. | 
| CHEMISTRY | ||||||
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| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R070290.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: | a: 10.189(1)Å    b: 10.191(1)Å    c: 20.408(4)Å alpha: 90° beta: 97.221(8)° gamma: 90° Volume: 2102(1)Å3 Crystal System: monoclinic | ||||||
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| REFERENCES for Fersmanite | |
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| American Mineralogist Crystal Structure Database Record: [view record] | |
| Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] | |
| Labuncov A (1929) La fersmanite - un nouveau minéral des Monts Chibines, Comptes Rendus (Doklady) de l'Académie des Sciences de l'URSS, 1929, 297-301 [view file] | |
| Foshag W W (1931) New mineral names, American Mineralogist, 16, 92-92 [view file] | |
| Machin M P (1977) Fersmanite, (Ca,Na)4(Ti,Nb)2Si2O11(F,OH)2: a restudy, The Canadian Mineralogist, 15, 87-91 [view file] | |
| Fleischer M, Mandarino J A, Chao G Y (1979) New mineral names, American Mineralogist, 64, 652-659 [view file] | |
| Sokolova E, Hawthorne F C, Khomyakov A P (2002) The crystal chemistry of fersmanite, Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3, The Canadian Mineralogist, 40, 1421-1428 [view file] | |
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