Tveitite-(Y) R060895

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Record 198 of 459  

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.
RRUFF ID: R060895.2
Sample Description: Microprobe Fragment
Sample Description: Unoriented sample

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RRUFF ID: R060895
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 10% of 150mW
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.

  File Type Information Close
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