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Name: Lileyite RRUFF ID: R140773 Ideal Chemistry: Ba2Ti2Na2Fe2+Mg(Si2O7)2O2F2 Locality: Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany Source: Ch. and H. Schäfer [view label] Owner: RRUFF Description: Reddish brown prismatic crystals with fine striations, associated with pyroxene, schorlomite and leucite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Lamprophyllite (9) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R140773.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 19.885(5)Å b: 7.084(2)Å c: 5.396(2)Å alpha: 90° beta: 96.47(2)° gamma: 90° Volume: 755.2(2)Å3 Crystal System: monoclinic |
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REFERENCES for Lileyite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 10. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2549-2561 [view file] |
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Chukanov N V, Pekov I V, Rastsvetaeva R K, Aksenov S M, Zadov A E, Van K V, Blass G, Schüller W, Ternes B (2012) Lileyite, Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2, a new lamprophyllite-group mineral from the Eifel volcanic area, Germany, European Journal of Mineralogy, 24, 181-188 [view file] |
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Camara F, Diego Gatta G, Belakovskiy D, Smith D G W, Tait K T (2013) New mineral names, American Mineralogist, 98, 1078-1083 [view file] |
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Rastsvetaeva R K, Chukanov N V, Aksenov S M (2016) The crystal chemistry of lamprophyllite-related minerals: a review, European Journal of Mineralogy, 28, 915-930 |
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