Abstract
Pyrrhotite, Fe1-xS, consists of a number of discrete, but structurally similar compounds (e.g. Morimoto et al., 1970; Amelinckx and Van Landuyt, Chapter 2.3 of this volume; Nakazawa et al., Chapter 5.2 of this volume) related through superstructuring of a hexagonal (a = 3.45Å ≡ A, ~5.8 Å ≡ C) subcell. Non-integral as well as integral superstructures apparently result from vacancy ordering (Ovanesyan et al., 1971). High resolution electron microscopy is a logical tool for studying vacancy distributions in pyrrhotite, and has been used to explain c-superstructure spacings (Nakazawa et al., 1974; Pierce and Buseck, 1974).
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References
Allpress, J.G., Sanders, J.V.: The direct observation of the structures of real crystals by lattice imaging. J. Appl. Crystallogr. 6, 165–190 (1973).
Arnold, R.G.: Equilibrium relations between pyrrhotite and pyrite from 325° to 743 °C. Econ. Geol. 57, 72–90 (1962).
Buseck, P.R., Iijima, S.: High resolution microscopy of silicates. Am. Mineralogist 59, 1–21 (1974).
Cowley, J.M.: High resolution dark field electron microscopy I. Useful approximations. Acta Cryst. A 29, 529–536 (1973).
Cowley, J.M.: Contrast in high resolution bright field and dark field images of thin specimens. In: Electron microscopy and microbeam analysis (eds. B.M. Siegel and D.R. Beaman), p. 3–15. New York: John Wiley Sons 1974.
Cowley, J.M., Iijima, S.: Electron microscope image contrast for thin crystals. Z. Naturforsch. 27 a, 445–451 (1972).
Morimoto, N., Nakazawa, H., Nishiguchi, K., Tokonami, M.: Pyrrhotites: stoichiometric compounds with composition Fen-1Sn(n≧8). Science 168, 964–966 (1970).
Nakazawa, H., Morimoto, N., Watanabi, E.: Direct observation of the non-stoichiometric pyrrhotite. Proc. 8th Int. Congress on Electron Microscopy, Canberra 1, 498–499 (1974).
Ovanesyan, N.S., Trukhtanov, V.A., Odinets, G.Ym., Novikov, G.V.: Vacancy distribution and magnetic ordering in iron sulfides. Soviet Phys. JETP 33, 1193–1197 (1971).
Pierce, L.P., Buseck, P.R.: Electron imaging of pyrrhotite superstructures. Science 186, 1209–1212 (1974).
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Pierce, L., Buseck, P.R. (1976). A Comparison of Bright Field and Dark Field Imaging of Pyrrhotite Structures. In: Wenk, HR. (eds) Electron Microscopy in Mineralogy. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-66196-9_7
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DOI: https://doi.org/10.1007/978-3-642-66196-9_7
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