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Simpsonite R050629

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Record 3455 of 4216  

Name: Simpsonite
RRUFF ID: R050629
Ideal Chemistry: Al4Ta3O13(OH)
Locality: Equador, Rio Grande do Norte, Brazil
Source: Gemological Center
Owner: RRUFF
Description: Yellow fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Simpsonite samples (2) ]
CHEMISTRY 
RRUFF ID: R050629.2
Sample Description: Microprobe Fragment
Measured Chemistry: Al4.00(Ta2.93Nb0.07)Σ=3O13(OH)
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050629
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050629.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R050629.1
Sample Description: Powder
Cell Refinement Output: a: 7.3838(3)Å    b: 7.3838(3)Å    c: 4.5146(2)Å
alpha: 90.°    beta: 90.°    gamma: 120.°   Volume: 213.16(1)Å3    Crystal System: hexagonal
  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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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Simpsonite

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]

Bowley H (1938) Simpsonite, Report of the Department of Mines Western Australia, 93, 88-88   [view file]

Taylor L E R (1939) X-ray studies of simpsonite, Journal of the Royal Society of Western Australia, 25, 93-97   [view file]

Foshag W F (1940) New mineral names, American Mineralogist, 25, 312-314   [view file]

Fleischer M (1945) New mineral names, American Mineralogist, 30, 548-550   [view file]

Kerr P F, Holmes R J (1945) X-ray study of the tantalum mineral simpsonite, Bulletin of the Geological Society of America, 56, 479-504   [view file]

Ercit T S, Černý P, Hawthorne F C (1992) The crystal chemistry of simpsonite, The Canadian Mineralogist, 30, 663-671   [view file]