Fersmanite R070290
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 
RRUFF ID: R070290.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070290
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
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
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Fersmanite

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]