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Name: Laachite RRUFF ID: R141091 Ideal Chemistry: (Ca,Mn)2Zr2Nb2TiFeO14 Locality: In den Dellen, Laach lake volcano, Mendig, Eifel, Germany Source: Ch. and H. Schäfer [view label] Owner: RRUFF Description: Prismatic red-brown crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Zirconolite (1) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R141091.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 7.316(3)Å b: 14.143(7)Å c: 10.148(5)Å alpha: 90° beta: 90.02(3)° gamma: 90° Volume: 1050.0(2)Å3 Crystal System: monoclinic |
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REFERENCES for Laachite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Della Ventura G, Bellatreccia F, Williams C T (2000) Zirconolite with significant REEZrNb(Mn,Fe)O7 from a xenolith of the Laacher See eruptive center, Eifel volcanic region, Germany, The Canadian Mineralogist, 38, 57-65 [view file] |
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Williams P A, Hatert F, Pasero M, Mills S J (2013) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 16. New minerals and nomenclature modifications approved in 2013, Mineralogical Magazine, 77, 2695-2709 [view file] |
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Belakovskiy D, Cámara F, Uvarova Y, Gagne O C (2014) New mineral names, American Mineralogist, 99, 1806-1813 |
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Chukanov N V, Krivovichev S V, Pakhomova A S, Pekov I V, Schäfer C, Vigasina M F, Van K V (2014) Laachite, (Ca,Mn)2Zr2Nb2TiFeO14, a new zirconolite-related mineral from the Eifel volcanic region, Germany, European Journal of Mineralogy, 26, 103-111 [view file] |
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