Natrodufrénite R070599



Name: Natrodufrénite
RRUFF ID: R070599
Ideal Chemistry: NaFe2+Fe3+5(PO4)4(OH)6·2H2O
Locality: Hout Bay, Cape of Good Hope Province, South Africa
Source: James Shigley [view label]
Owner: RRUFF
Description: Sheaflike, dark brown to red-brown aggregates
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Dufrenite (2) ]
CHEMISTRY 
RRUFF ID: R070599.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.62   0.19Mn0.10Ca0.09)Σ=1Fe2+1.00(Fe3+4.95Al0.05)Σ=5(P1.00O4)4((OH)4.76F0.24)Σ=6·2H2O ; H not measured but estimated by difference 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: R070599
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070599.1
Sample Description: Powder
Cell Refinement Output: a: 25.875(2)Å    b: 5.1461(4)Å    c: 13.830(1)Å
alpha: 90°    beta: 111.07(1)°    gamma: 90°   Volume: 1718.6(2)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 Natrodufrénite

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]

Fontan F, Pillard F, Permingeat F (1982) La natrodufrénite (Na,    ) (Fe+++, Fe++) (Fe+++, Al)5 (PO4)4(OH)6.2H2O, une nouvelle espèce minérale du groupe de la dufrénite, Bulletin de Minéralogie, 105, 321-326

Dunn P J, Grice J D, Fleischer M, Pabst A (1983) New mineral names, American Mineralogist, 68, 1038-1041   [view file]