Magnesio-fluoro-arfvedsonite R050515

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Record 52 of 105  

Name: Magnesio-fluoro-arfvedsonite
RRUFF ID: R050515
Ideal Chemistry: NaNa2(Mg4Fe3+)Si8O22F2
Locality: unknown
Source: Frank Hawthorne
Owner: RRUFF
Description: Numerous small dark green fragments
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (105) ]
CHEMISTRY 
RRUFF ID: R050515.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.48K0.20   0.32)(Na1.50Ca0.50)Σ=2(Mg2.05Fe2+1.45Mn0.50)Σ=4(Fe3+0.80Mn0.05Al0.10Ti0.05)(Si0.97Al0.03)8O22(F0.65(OH)0.35)2
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050515
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050515.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050515.1
Sample Description: Powder
Cell Refinement Output: a: 9.841(2)Å    b: 18.047(7)Å    c: 5.303(1)Å
alpha: 90°    beta: 104.13(3)°    gamma: 90°   Volume: 913.2(0)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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Magnesio-fluoro-arfvedsonite

Gazhenov A G, Nedosekova I L, Krinova T V, Mironov A B, Khvorov P V (2000) Fluoromagnesioarfvedsonite NaNa2(Mg, Fe2+)4Fe3+[Si8O22](F, OH)2 — a new mineral species of the amphibole group (Il'meny-Vishnevye Mountains, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 129, issue 6 28-34   [view file]

Jambor J L, Roberts A C (2001) New mineral names, American Mineralogist, 86, 1534-1537   [view file]

Mandarino J A (2001) New minerals, The Canadian Mineralogist, 39, 1473-1502   [view file]

Burke E A J, Leake B E (2004) "Named amphiboles": a new category of amphiboles recognized by the International Mineralogical Association (IMA), and the proper order of prefixes to be used in amphibole names, The Canadian Mineralogist, 42, 1881-1883   [view file]

Pekov I V (2007) New minerals from former Soviet Union countries, 1998-2006: new minerals approved by the IMA commission on new minerals and mineral names, Mineralogical Almanac, 11, 9-51   [view file]

Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048   [view file]