Brazilianite R050319

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Record 2 of 3  

Name: Brazilianite
RRUFF ID: R050319
Ideal Chemistry: NaAl3(PO4)2(OH)4
Locality: Minas Gerais, Brazil
Source: American Museum of Natural History 71603 [view label]
Owner: RRUFF
Description: Pale green fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Brazilianite samples (3) ]
RRUFF ID: R050319.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na1.00Al3.00(PO4)2(OH)4
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented and mounted on a pin
Pin ID: M00183
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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RRUFF ID: R050319
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050319.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R050319.1
Sample Description: Powder
Cell Refinement Output: a: 11.2282(7)Å    b: 10.1400(4)Å    c: 7.0939(4)Å
alpha: 90°    beta: 97.368(4)°    gamma: 90°   Volume: 800.99(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]