Simpsonite R061059

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Record 2 of 2  


Name: Simpsonite
RRUFF ID: R061059
Ideal Chemistry: Al4Ta3O13(OH)
Locality: Mt. Vasin-Myl'k, Voron'ya Tundra, Russia
Source: Michael Scott S100986 [view label]
Owner: RRUFF
Description: Subhedral off-white to pale yellowish gray crystal associated with spodumene, feldspar and quartz
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Simpsonite samples (2) ]
CHEMISTRY 
RRUFF ID: R061059.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R061059
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R061059.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.383(2)Å    b: 7.383(2)Å    c: 4.512(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 213.2(3)Å3    Crystal System: hexagonal
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF 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]