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Arisite-(La) R120051

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Name: Arisite-(La)
RRUFF ID: R120051
Ideal Chemistry: NaLa2(CO3)2[F2x(CO3)1-x]F
Locality: Aris quarry, near Windhoek, Namibia
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Pale pink hexagonal tabular crystal, associated with tuperssuatsiaite, and transparent platy polylithionite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Arisite (1) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R120051
Wavelength:
Sample Description: Unoriented Raman on the primary 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
POWDER DIFFRACTION 
RRUFF ID: R120051.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.121(1)Å    b: 5.121(1)Å    c: 8.688(3)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 197.30(3)Å3    Crystal System: hexagonal
  File Type Information Close
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
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REFERENCES for Arisite-(La)

American Mineralogist Crystal Structure Database Record: [view record]

Williams P A, Hatert F, Pasero M (2009) New minerals approved in 2009, in International Mineralogical Association 1-34   [view file]

Piilonen P C, McDonald A M, Grice J D, Cooper M A, Kolitsch U, Rowe R, Gault R A, Poirier G (2010) Arisite-(La), a new REE-fluorcarbonate mineral from the Aris phonolite (Namibia), with descriptions of the crystal structures of arisite-(La) and arisite-(Ce), Mineralogical Magazine, 74, 257-268   [view file]

Poirier G, Tait K T, Rowe R (2011) New mineral names, American Mineralogist, 96, 936-945   [view file]