Potassic-magnesio-fluoro-arfvedsonite R060915

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Record 72 of 105  


Name: Potassic-magnesio-fluoro-arfvedsonite
RRUFF ID: R060915
Ideal Chemistry: KNa2(Mg4Fe3+)Si8O22F2
Locality: Kipawa, Quebec, Canada
Source: Royal Ontario Museum M52453 [view label]
Owner: RRUFF
Description: Dark blue-green amphibole with pronounced cleavage, associated with white albite and red eudialyte
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (105) ]
CHEMISTRY 
RRUFF ID: R060915.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.44Na0.41   0.15)Σ=1(Na1.79Ca0.21)Σ=2(Mg3.10Fe3+0.82Fe2+0.54Ca0.27Mn0.15Al0.11Ti0.01)Σ=5Si8.00O22(F1.52(OH)0.48)Σ=2
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060915
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060915.1
Sample Description: Powder
Cell Refinement Output: a: 9.8859(3)Å    b: 17.9548(9)Å    c: 5.2756(4)Å
alpha: 90°    beta: 104.294(3)°    gamma: 90°   Volume: 907.42(7)Å3    Crystal System: monoclinic
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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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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Potassic-magnesio-fluoro-arfvedsonite

Hogarth D D, Chao G Y, Townsend M G (1987) Potassium- and fluorine-rich amphiboles from the Gatineau area, Quebec, The Canadian Mineralogist, 25, 739-753   [view file]

Mazdab F K (2003) The diversity and occurrence of potassium-dominant amphiboles, The Canadian Mineralogist, 41, 1329-1344   [view file]

Burke E A J, Leake B E (2004) "Named amphiboles": a new category of amphiboles recognized by the International Mineralogical Association (IMA), and the proper order of prefixes to be used in amphibole names, The Canadian Mineralogist, 42, 1881-1883   [view file]

Hogarth D D (2006) Fluoro-potassic-magnesio-arfvedsonite, KNa2Mg5Si8O22F2, from the Outaouais region, Quebec, Canada, The Canadian Mineralogist, 44, 289-289   [view file]

Hogarth D D (2010) Fluoro-potassic-magnesio-arfvedsonite, KNa2Mg5Si8O22F2, from the Outaouais region, Quebec, Canada: Erratum, The Canadian Mineralogist, 48, 432-432   [view file]

Oberti R, Boiocchi M, Hawthorne F C, Robinson P (2010) Crystal structure and crystal chemistry of fluoro-potassic-magnesio-arfvedsonite from Monte Metocha, Xixano region, Mozambique, and discussion of the holotype from Quebec, Canada, Mineralogical Magazine, 74, 951-960   [view file]

Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048   [view file]