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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 |
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Mineral Group: [ cancrinite-sodalite (37) ] | ||
Quick search: [ All Afghanite samples (2) ] |
CHEMISTRY | ||||||||||
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POWDER DIFFRACTION | ||||||||
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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 |
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REFERENCES for Afghanite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Bariand P, Cesbron F, Giraud R (1968) Une nonvelle espece minerale: Lafghanite de SareSang, Badakhshan, AfghanistanComparaison avec les mineraux du groupe de la cancrinite, Bulletin de la Société Française de Minéralogie et de Cristallographie, 91, 34-42 [view file] |
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Fleischer M (1968) New mineral names, American Mineralogist, 53, 2103-2106 [view file] |
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Hogarth D D (1979) Afghanite: new occurrences and chemical composition, The Canadian Mineralogist, 17, 47-52 [view file] |
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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] |
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Rinaldi R, Wenk H R (1979) Stacking variations in cancrinite minerals, Acta Crystallographica, A35, 825-828 |
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Hassan I, Grundy H D (1984) The crystal structures of sodalite-group minerals, Acta Crystallographica, B40, 6-13 |
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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 |
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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] |
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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 |
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Bonaccorsi E, Orlandi P (2003) Marinellite, a new feldspathoid of the cancrinite-sodalite group, European Journal of Mineralogy, 15, 1019-1027 [view file] |
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Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18 [view file] |
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Ballirano P, Bosi F (2012) Thermal behavior of afghanite, an ABABACAC member of the cancrinite group, American Mineralogist, 97, 630-640 [view file] |
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