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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 | ||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | ||||||||
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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 |
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REFERENCES for Tveitite-(Y) | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Bergstøl S, Jensen B B, Neumann H (1977) Tveitite, a new calcium yttrium fluoride, Lithos, 10, 81-87 |
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Fleischer M, Pabst A, Mandarino J A, Chao G Y (1977) New mineral names, American Mineralogist, 62, 1057-1061 [view file] |
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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 |
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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] |
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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 |
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