Afghanite R060422

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Record 1 of 68  

Name: Afghanite
RRUFF ID: R060422
Ideal Chemistry: (Na,K)22Ca10(Si24Al24)O96(SO4)6Cl6
Locality: Kokscha Valley, Badakshan Province, Afghanistan
Source: Herb Obodda 113 [view label]
Owner: RRUFF
Description: Blue hexagonal prism with pyramidal termination
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ cancrinite-sodalite (36) ]
Quick search: [ All Afghanite samples (2) ]
CHEMISTRY 
RRUFF ID: R060422.2
Sample Description: Microprobe fragment
Measured Chemistry: (Na19.94K2.06)Σ=22Ca10.00[Si24.00Al24.00O96](S1.00O4)6Cl6.00
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060422
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060422.1
Sample Description: Powder
Cell Refinement Output: a: 12.7650(2)Å    b: 12.7650(2)Å    c: 21.4205(6)Å
alpha: 90.°    beta: 90.°    gamma: 120.°   Volume: 3022.7(1)Å3    Crystal System: hexagonal
  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 Afghanite

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]

Bariand P, Cesbron F, Giraud R (1968) Une nonvelle espece minerale: L’afghanite de Sar–e–Sang, Badakhshan, Afghanistan–Comparaison avec les mineraux du groupe de la cancrinite, Bulletin de la Société Française de Minéralogie et de Cristallographie, 91, 34-42   [view file]

Fleischer M (1968) New mineral names, American Mineralogist, 53, 2103-2106   [view file]

Hogarth D D (1979) Afghanite: new occurrences and chemical composition, The Canadian Mineralogist, 17, 47-52   [view file]

Leoni L, Mellini M, Merlino S, Orlandi P (1979) Cancrinite-like minerals: new data and crystal chemical considerations, Rendiconti della Società Italiana di Mineralogia e Petrologia, 35, 713-719   [view file]

Rinaldi R, Wenk H R (1979) Stacking variations in cancrinite minerals, Acta Crystallographica, A35, 825-828

Hassan I, Grundy H D (1984) The crystal structures of sodalite-group minerals, Acta Crystallographica, B40, 6-13

Rastsvetaeva R K, Pobedimskaya E A, Terent'eva L E, and Sapozhnikov A N (1993) Structural features of afghanite and its place among the cancrinite minerals, Crystallography Reports, 38, 185-189

Ballirano P, Maras A, Buseck P R (1996) Crystal chemistry and IR spectroscopy of Cl- and SO4-bearing cancrinite-like minerals, American Mineralogist, 81, 1003-1012   [view file]

Ballirano P, Bonaccorsi E, Maras A, Merlino S (1997) Crystal structure of afghanite, the eight-layer member of the cancrinite-group: evidence for long-range Si,Al ordering, European Journal of Mineralogy, 9, 21-30

Bonaccorsi E, Orlandi P (2003) Marinellite, a new feldspathoid of the cancrinite-sodalite group, European Journal of Mineralogy, 15, 1019-1027   [view file]

Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18   [view file]

Ballirano P, Bosi F (2012) Thermal behavior of afghanite, an ABABACAC member of the cancrinite group, American Mineralogist, 97, 630-640   [view file]