Brazilianite R050126

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Record 558 of 4034  

Name: Brazilianite
RRUFF ID: R050126
Ideal Chemistry: NaAl3(PO4)2(OH)4
Locality: Linopolis, Minas Gerais, Brazil
Source: Carlos and Paulo Vasconcelos
Owner: RRUFF
Description: Pair of greenish yellow elongated crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Brazilianite samples (3) ]
CHEMISTRY 
RRUFF ID: R050126.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na1.00Al3.00(P1.00O4)2((OH)3.80F0.20)Σ=4
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: L00438
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: R050126
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050126.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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RRUFF ID: R050126.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050126.1
Sample Description: Powder
Cell Refinement Output: a: 11.234(1)Å    b: 10.1495(4)Å    c: 7.1098(7)Å
alpha: 90.°    beta: 97.303(8)°    gamma: 90.°   Volume: 804.10(5)Å3    Crystal System: monoclinic
  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 Brazilianite

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]

Pough F H, Henderson E P (1945) Brazilianite, a new phosphate mineral, American Mineralogist, 30, 572-582   [view file]

Hurlbut Jr. C S, Weichel E J (1946) Additional data on brazilianite, American Mineralogist, 31, 507-507   [view file]

Frondel C, Lindberg M L (1948) Second occurrence of brazilianite, American Mineralogist, 33, 135-141   [view file]

Gatehouse B M, Miskin B K (1974) The crystal structure of brazilianite, NaAl3(PO4)2(OH)4, Acta Crystallographica, B30, 1311-1317

Gatta G D, Vignola P, Maven M, Rinaldi R (2013) Neutron diffraction in gemology: Single-crystal diffraction study of brazilianite NaAl3(PO4)2(OH)4, American Mineralogist, 98, 1624-1630   [view file]