Senegalite R050239



Name: Senegalite
RRUFF ID: R050239
Ideal Chemistry: Al2(PO4)(OH)3·H2O
Locality: Kourondicko iron ore (magnetite) deposit, Faleme River Basin, Senegal
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R050239.2
Sample Description: Microprobe Fragment
Measured Chemistry: Al2.00P1.00O4(OH)3┬ĚH2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented and mounted on a pin
Pin ID: M00172
Orientation: Laser parallel to  -a*  (-1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050239
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050239.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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RRUFF ID: R050239.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050239.1
Sample Description: Powder
Cell Refinement Output: a: 7.6590(3)Å    b: 9.6893(4)Å    c: 7.5957(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 563.68(3)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Senegalite

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]

Johan Z (1976) La sénégalite, Al2(PO4)(OH)3·H2O, un nouveau minéral, Lithos, 9, 165-171

Fleischer M, Cabri L J, Nickel E H, Pabst A (1977) New mineral names, American Mineralogist, 62, 593-600   [view file]

Keegan T D, Araki T, Moore P B (1979) Senegalite, Al2(OH)3(H2O)(PO4), a novel structure type, American Mineralogist, 64, 1243-1247   [view file]