Afghanite R070558


 Name: Afghanite
RRUFF ID: R070558
Ideal Chemistry: (Na,K)22Ca10(Si24Al24)O96(SO4)6Cl6
Locality: Badakhshan, Afghanistan
Source: Farooq Hashmi [view label]
Owner: RRUFF
Description: Deep blue translucent fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ cancrinite-sodalite (37) ]
Quick search: [ All Afghanite samples (2) ]
CHEMISTRY 
RRUFF ID: R070558.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na19.10K2.90)Σ=22Ca10.00(Si24.00Al24.00)Σ=48O96(S1.00O4)6((OH)3.21Cl2.79)Σ=6 ; OH estimated by difference and charge balance
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: R070558
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070558.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 12.770(1)Å    b: 12.770(1)Å    c: 21.436(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 3027.2(4)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.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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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]