Chiolite R050412


Name: Chiolite
RRUFF ID: R050412
Ideal Chemistry: Na5Al3F14
Locality: Ivigtut cryolite deposit, Arsuk Fjord, Greenland
Source: G.R. Rossman MK299
Owner: RRUFF
Description: Colorless fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R050412.2
Sample Description: Microprobe fragment
Measured Chemistry: (Na4.96K0.04)Σ=5Al3.00F14.00 ; trace amounts of Si and Ca
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: R050412
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050412.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050412.1
Sample Description: Powder
Cell Refinement Output: a: 7.0161(3)Å    b: 7.0161(3)Å    c: 10.4011(6)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 512.00(5)Å3    Crystal System: tetragonal
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Chiolite

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]

Hermann R (1846) Untersuchungen russischer Mineralien. 26) Ueber Chiolith, ein neues Mineral, Journal für Praktische Chemie, 37, 175-193   [view file]

Brosset C (1938) Die kristallstruktur des chioliths, Zeitschrift für Anorganische und Allgemeine Chemie, 238, 201-208   [view file]

Jacoboni C, Leble A, Rousseau J J (1981) Détermination précise de la structure de la chiolite Na5Al3F14 et étude par R.P.E. de Na5Al3F14:Cr3+, Journal of Solid State Chemistry, 36, 297-304

Richards R P, Kearns L E, Cook W R (1998) Morphology of chiolite twins from the Morefield mine, Amelia County, Virginia, The Canadian Mineralogist, 36, 1009-1015   [view file]

Dutour J, Guillou N, Huguenard C, Taulelle F, Mellot-Draznieks C, Férey G (2004) Chiolite, a case study for combining NMR crystallography, diffraction and structural simulation, Solid State Sciences, 6, 1059-1067