Niobophyllite R110048

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Record 2474 of 4216  


Name: Niobophyllite
RRUFF ID: R110048
Ideal Chemistry: K2NaFe2+7(Nb,Ti)2(Si4O12)2O2(OH)4(O,F)
Locality: Mount Malosa, Zomba District, Malawi
Source: Donald M Doell [view label]
Owner: RRUFF
Description: Brown tabular platy crystals associated with quartz
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Groups: [ astrophyllite (11) ] [ Astrophyllite (5) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R110048
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110048.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.354(2)Å    b: 11.836(4)Å    c: 11.622(5)Å
alpha: 113.03(2)°    beta: 94.47(2)°    gamma: 103.27(2)°   Volume: 648.0(2)Å3    Crystal System: triclinic
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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 Niobophyllite

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]

Nickel E H, Rowland J F, Charette D J (1964) Niobophyllite – the niobium analogue of astrophyllite; a new mineral from Seal Lake, Labrador, The Canadian Mineralogist, 8, 40-52   [view file]

Fleischer M, Mandarino J A, Strunz H, Cech F (1965) New mineral names, American Mineralogist, 50, 261-268   [view file]

Piilonen P C, LaLonde A E, McDonald A M, Gault R A, Larsen A O (2003) Insights into astrophyllite–group minerals. I. Nomenclature, composition and development of a standardized general formula, The Canadian Mineralogist, 41, 1-26   [view file]

Piilonen P C, McDonald A M, LaLonde A E (2003) Insights into astrophyllite–group minerals. II. Crystal chemistry, The Canadian Mineralogist, 41, 27-54   [view file]

Cámara F, Sokolova E, Abdu Y, Hawthorne F C (2010) The crystal structures of niobophyllite, kupletskite-(Cs) and Sn-rich astrophyllite: Revisions to the crystal chemistry of the astrophyllite-group minerals, The Canadian Mineralogist, 48, 1-16   [view file]

Cámara F, Sokolova E, Abdu Y, Hawthorne F C (2010) The crystal structures of niobophyllite, kupletskite-(Cs) and Sn-rich astrophyllite: Revisions to the crystal chemistry of the astrophyllite-group minerals: Erratum, The Canadian Mineralogist, 48, 431-431   [view file]

Sokolova E (2012) Further developments in the structure topology of the astrophyllite-group minerals, Mineralogical Magazine, 76, 863-882   [view file]

Sokolova E, Cámara F, Hawthorne F C, Ciriotti M E (2017) The astrophyllite supergroup: nomenclature and classification, Mineralogical Magazine, 81, 143-153