Aeschynite-(Y) R060312

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Record 32 of 4033  

Name: Aeschynite-(Y)
RRUFF ID: R060312
Ideal Chemistry: (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Locality: Hittero, Vest-Agder, Norway
Source: Herb Obodda 013 [view label]
Owner: RRUFF
Description: Black glassy amorphous, note that a fragment of this sample was heated and is posted at R080045
Status: The identification of this mineral has been confirmed only by chemical analysis
Mineral Group: [ Aeschynite (8) ]
Quick search: [ All Aeschynite-(Y) samples (2) ]
CHEMISTRY 
RRUFF ID: R060312.2
Sample Description: Microprobe fragment
Measured Chemistry: (Y0.66Th0.10Ca0.08U0.07Fe3+0.07Nd0.02)(Ti1.50Nb0.50)(O5.73(OH)0.27)Σ=6·4.5H2O; trace amounts of Ce, La, Dy; OH estimated by charge balance; H2O by difference
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060312
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060312.1
Sample Description: Powder, pattern is consistent with a partially metamic sample of aeschynite-(Ce)
  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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REFERENCES for Aeschynite-(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]

Brøgger W C (1906) Die mineralien der Südnorwegischen granitpegmatitgänge: Blomstrandin (und priorit), Skrifter udgivne af Videnskabs-Selskabet i Christiania, 1906, issue 6 1-162   [view file]

Komkov A I (1959) On minerals of the euxenite-polycrase and blomstrandine-priorite series, Doklady Akademii Nauk SSSR, 126, 641-644

Aleksandrov V B (1962) The crystal structure of aeschynite, Doklady Akademii Nauk SSSR, 142, 181-184   [view file]

Fleischer M (1962) New mineral names, American Mineralogist, 47, 414-420   [view file]

Fleischer M (1965) New mineral names, American Mineralogist, 50, 2096-2111   [view file]

Fleischer, M (1966) Rare earths in the aeschynite-priorite series. The status of lyndochite, Mineralogical Magazine, 35, 801-809   [view file]

Levinson A A (1966) A system of nomenclature for rare-earth minerals, American Mineralogist, 51, 152-158   [view file]

Ewing R C, Krumhansl J L (1974) Natural gamma-ray spectra of euxenite, polycrase and aeschynite, The Canadian Mineralogist, 12, 357-359   [view file]

International Mineralogical Association (1980) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 43, 1053-1055   [view file]

Bonazzi P, Magnanelli S (1994) Non-metamict Ti-rich aeschynite-(Y) from the Triolet Valley (Western Alps, Italy), Neues Jahrbuch für Mineralogie, Monatshefte, 6, 275-288

Bonazzi P, Menchetti S (1999) Crystal chemistry of aeschynite-(Y) from the Western Alps: residual electron density on difference-Fourier map, European Journal of Mineralogy, 11, 1043-1049

Paschoal C W A, Moreira R L, Fantini C, Pimenta M A, Surendran K P, Sebastian M T (2003) Raman scattering study of RETiTaO6 dielectric ceramics, Journal of the European Ceramic Society, 23, 2661-2666

Tomašić N, Gajović A, Bermanec V, Rajić M (2004) Recrystallization of metamict Nb-Ta-Ti-REE complex oxides: a coupled X-ray-diffraction and Raman spectroscopy study of aeschynite-(Y) and polycrase-(Y), The Canadian Mineralogist, 42, 1847-1857   [view file]

Škoda R, Novák M (2007) Y,REE,Nb,Ta,Ti-oxide (AB2O6) minerals from REL-REE euxenite-subtype pegmatites of the Třebíč Pluton, Czech Republic; substitutions and fractionation trends, Lithos, 95, 43-57

Ma Q, Zhang A, Lü M, Zhou Y, Qiu Z, Zhou G (2007) Novel class of aeschynite structure LaNbTiO6 - based orange-red phosphors via a modified combustion approach, Journal of Physical Chemistry B, 111, 12693-12699

Kan A, Ogawa H (2008) Crystal structural characterization and microwave dielectric properties of Ca(Ta2-xNbx)O6 ceramics, Japanese Journal of Applied Physics, 47, 7716-7720

Qi X, Liu C M, Kuo C C (2010) Pr3+ doped LaTiNbO6 as a single phosphor for white LEDs, Journal of Alloys and Compounds, 492, L61-L63

Annamma J, Shyla J, Manu K M (2011) Structure, microwave dielectric and optical properties of Ln2/3Gd1/3TiNbO6 (Ln=Ce, Pr, Nd and Sm) ceramics, Journal of Materials Science, 22, 776-780

Capitani G C, Mugnaioli E, Guastoni A (2016) What is the actual structure of samarskite-(Y)? A TEM investigation of metamict samarskite from the Garnet Codera dike pegmatite (Central Italian Alps), American Mineralogist, 101, 1679-1690

Capitani G, Mugnaioli E, Gentile P (2018) Submicrometer yttrian zircon coating and arborescent aeschynite microcrystals on truncated bipyramidal anatase: An electron microscopy study of miarolitic cavities in the Cuasso al Monte granophyre (Varese, Italy), American Mineralogist, 103, 480-488