Cervandonite-(Ce) R110070

Name: Cervandonite-(Ce)
RRUFF ID: R110070
Ideal Chemistry: (Ce,Nd,La)(Fe3+,Ti,Fe2+,Al)3O2(Si2O7)1-x+y(AsO3)1+x-y(OH)3x-3y
Locality: Monte Cervandone, Val d'Ossola, Piedmont, Italy
Source: Renato & Adriana Pagano [view label]
Owner: RRUFF
Description: Rosettes of black platy crystals associated with microcline, quartz and rutile
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R110070
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R110070.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.492(2)Å    b: 6.492(2)Å    c: 18.503(6)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 675.3(2)Å3    Crystal System: hexagonal
  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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REFERENCES for Cervandonite-(Ce)

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]

Armbruster T, Bühler C, Graeser S, Stalder H A, Amthauer G (1988) Cervandonite-(Ce), (Ce,Nd,La)(Fe3+,Fe2+,Ti4+,Al)3SiAs(Si,As)O13, a new alpine fissure mineral, Schweizerische Mineralogische und Petrographische Mitteilungen, 68, 125-132

Jambor J L, Grew E S (1990) New mineral names, American Mineralogist, 75, 931-937   [view file]

Roth P (2007) Cervandonite-(Ce), in Minerals first discovered in Switzerland and minerals named after Swiss individuals Kristallografik Verlag Achberg Germany 50-51

Demartin F, Gramaccioli C M, Graeser S (2008) The crystal structure of cervandonite-(Ce), an interesting example of As3+ - Si diadochy, The Canadian Mineralogist, 46, 423-430   [view file]