Christofschäferite-(Ce) R141090

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Name: Christofschäferite-(Ce)
RRUFF ID: R141090
Ideal Chemistry: (Ce,La,Ca)4Mn(Ti,Fe)3(Fe,Ti)(Si2O7)2O8
Locality: Wingertsberg pumice quarry, Laach lake volcano, Mendig, Eifel, Germany
Source: Ch. and H. Schäfer [view label]
Owner: RRUFF
Description: Thick tabular or short prismatic black crystals, 2-fold twin around a*, associated with light brown rhodonite and colorless orthoclase.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Chevkinite (4) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R141090
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R141090.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.357(3)Å    b: 5.733(1)Å    c: 11.085(2)Å
alpha: 90°    beta: 100.58(1)°    gamma: 90°   Volume: 834.4(1)Å3    Crystal System: monoclinic
  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.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Christofschäferite-(Ce)

American Mineralogist Crystal Structure Database Record: [view record]

Chukanov N V, Aksenov S M, Rastsvetaeva R K, Belakovskiy D I, Göttlicher J, Britvin S N, Möckel S (2012) Christofschäferite-(Ce), (Ce,La,Ca)4Mn2+(Ti,Fe3+)3(Fe3+,Fe2+,Ti)(Si2O7)2O8, a new chevkinite-group mineral from the Eifel area, Germany, New Data on Minerals. Moscow, 47, 31-40   [view file]

Williams P A, Hatert F, Pasero M, Mills S J (2012) IMA Commission on New Minerals, Nomenclature and classification (CNMNC) Newsletter 13, New minerals and nomenclature modifications approved in 2012, Mineralogical Magazine, 76, 807-817   [view file]

Belakovskiy D (2013) New mineral names, American Mineralogist, 98, 2201-2204   [view file]

Macdonald R, Bagiński B, Belkin H E, Stachowicz M (2019) Composition, paragenesis, and alteration of the chevkinite group of minerals, American Mineralogist, 104, 348-369   [view file]