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Feldspars and their Reactions pp 51–101Cite as

Aspects of Alkali Feldspar Characterization: Prospects and Relevance to Problems Outstanding

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Part of the book series: NATO ASI Series ((ASIC,volume 421))

Abstract

Attention will be focussed on the following topics and relevant problems concerning the characterization of alkali feldspars. Light optics: textural observations and determination of specific optical properties. Composition and lattice strain: (a) determination of composition of unstrained specimens, (b) evaluation of lattice strain caused by coherency between exsolved phases and determination of composition of strained specimens, (c) composition from K,Na site refinement of X-ray data. Determination of tetrahedral Al contents: (a) from lattice parameters, (b) from T-O distances, (c) from Si,Al site refinement of X-ray data. Single-crystal X-ray diffraction patterns and relationships with TEM techniques: (a) the diagonal association, (b) the antidiagonal association, (c) P21/a structural arrangement. Unanswered questions and suggestions for future work will be underlined.

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Authors and Affiliations

  1. Department of Earth Sciences, University of Milano, Via Botticelli 23, 20133, Milano, Italy

    Achille Blasi & Carla De Pol Blasi

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  1. Achille Blasi
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  2. Carla De Pol Blasi
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  1. Department of Geology and Geophysics, The University of Edinburgh, Edinburgh, UK

    Ian Parsons

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Blasi, A., De Pol Blasi, C. (1994). Aspects of Alkali Feldspar Characterization: Prospects and Relevance to Problems Outstanding. In: Parsons, I. (eds) Feldspars and their Reactions. NATO ASI Series, vol 421. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1106-5_2

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  • DOI: https://doi.org/10.1007/978-94-011-1106-5_2

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