Arrojadite-(NaFe) R070298

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Record 262 of 4034  


Name: Arrojadite-(NaFe)
RRUFF ID: R070298
Ideal Chemistry: Na2Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Locality: Boundary Creek, Richardson Mountains, Dawson mining district, Yukon Territory, Canada
Source: Mark Mauthner 2977 [view label]
Owner: RRUFF
Description: Dark bluish grey fragments
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R070298.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na1.80K0.20)Σ=2Fe2+1.00(Ca0.90Na2.10)Σ=3(Fe2+10.71Mg1.40Mn0.89)Σ=13(Al0.90Ti0.05Fe3+0.05)Σ=1(P1.00O4)11(P1.00O3OH)((OH)1.15F0.85)Σ=2; (OH) by stoichiometry and charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070298
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070298.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 24.618(3)Å    b: 10.069(1)Å    c: 16.527(1)Å
alpha: 90°    beta: 105.850(5)°    gamma: 90°   Volume: 3941(1)Å3    Crystal System: monoclinic
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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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REFERENCES for Arrojadite-(NaFe)

Chopin C, Oberti R, Camara F (2006) The arrojadite enigma: II. Compositional space, new members, and nomenclature of the group, American Mineralogist, 91, 1260-1270   [view file]