Tveitite-(Y) R060895

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Record 316 of 4216  


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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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060895
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 10% of 150mW
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.

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

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

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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