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Tveitite-(Y) R060895

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Name: Tveitite-(Y)
RRUFF ID: R060895
Ideal Chemistry: (Y,Na)6(Ca,Na,REE)12(Ca,Na)F42
Locality: Rov-Gora, West Keivy, Kola Peninsula, Russia
Source: Michael Scott S100983 [view label]
Owner: RRUFF
Description: Pink massive
Status: The identification of this mineral has been confirmed by X-ray diffraction.
CHEMISTRY 
RRUFF ID: R060895.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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  orientation angle.
Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060895
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 10% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060895.1
Sample Description: Powder
Cell Refinement Output: a: 16.9954(6)Å    b: 16.9954(6)Å    c: 9.6824(4)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 2422.0(2)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 Tveitite-(Y)

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]

Bergstøl S, Jensen B B, Neumann H (1977) Tveitite, a new calcium yttrium fluoride, Lithos, 10, 81-87

Fleischer M, Pabst A, Mandarino J A, Chao G Y (1977) New mineral names, American Mineralogist, 62, 1057-1061   [view file]

Bevan D J M, Strähle J, Greis O (1982) The crystal structure of tveitite, an ordered yttrofluorite mineral, Journal of Solid State Chemistry, 44, 75-81

Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist, 72, 1031-1042   [view file]

Yakubovich O V, Massa W, Pekov I V, Gavrilenko P G (2007) Crystal structure of tveitite-(Y): fractionation of rare-earth elements between positions and the variety of defects, Crystallography Reports, 52, issue 1 71-79