Ferro-ferri-fluoro-leakeite R070468



Name: Ferro-ferri-fluoro-leakeite
RRUFF ID: R070468
Ideal Chemistry: NaNa2(Fe2+2Fe3+2Li)Si8O22F2
Locality: Questa, Taos County, New Mexico, USA
Source: Michael Scott S100582 [view label]
Owner: RRUFF
Description: Unconsolidated dark blue to black grains, co-type sample
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ amphibole (105) ]
CHEMISTRY 
RRUFF ID: R070468.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070468
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070468.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.797(2)Å    b: 17.940(3)Å    c: 5.3129(9)Å
alpha: 90°    beta: 103.84(1)°    gamma: 90°   Volume: 906.7(4)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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REFERENCES for Ferro-ferri-fluoro-leakeite

American Mineralogist Crystal Structure Database Record: [view record]

Hawthorne F C, Ungaretti L, Oberti R, Bottazzi P, Czamanske G K (1993) Li: an important component in igneous alkali amphiboles, American Mineralogist, 78, 733-745   [view file]

Hawthorne F C, Oberti R, Ungaretti L, Ottolini L, Grice J D, Czamanske G K (1996) Fluor-ferro-leakeite, NaNa2(Fe2+2Fe3+2Li)Si8O22F2, a new alkali amphibole from the Canada Pinabete pluton, Questa, New Mexico, U.S.A., American Mineralogist, 81, 226-228   [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]