Potassic-fluoro-richterite R060034

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Record 71 of 105  

Name: Potassic-fluoro-richterite
RRUFF ID: R060034
Ideal Chemistry: K(NaCa)Mg5Si8O22F2
Locality: Walgidee, Western Australia, Australia
Source: University of Arizona Mineral Museum 8624 [view label]
Owner: RRUFF
Description: Transparent brown water worn crystal fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (105) ]
CHEMISTRY 
RRUFF ID: R060034.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.98Na0.02)Σ=1(Ca1.10Na0.90)Σ=2(Mg4.69Fe2+0.30Mn0.01)Σ=5(Si7.50Ti0.40Al0.10)Σ=8O22((F0.74(OH)0.26)2
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060034
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R060034.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R060034.1
Sample Description: Powder
Cell Refinement Output: a: 9.9067(3)Å    b: 18.079(2)Å    c: 5.3091(5)Å
alpha: 90°    beta: 105.077(5)°    gamma: 90°   Volume: 918.14(8)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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Potassic-fluoro-richterite

Della Ventura G, Maras A, Parodi G C (1983) Potassium-fluorrichterite from Monte Somma (Campania) Italy, Periodico di Mineralogia, 52, 617-630   [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]

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]