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Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
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Andrut, M.; Harlov, D. E.; Najorka, J. (2004): Characterisation of Ammonioleucite (NH4)[AlSi2O6] and ND4-Ammonioleucite (ND4)[AlSi2O6] using IR Spectroscopy and Rietveld Refinement of XRD Spectra. Mineralogical Magazine, 68, 1, 177-189.
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Najorka, J.; Gottschalk, M. (2003): Crystal chemistry of tremolite-tschermakite solid solutions. Physics and Chemistry of Minerals, 30, 2, 108-124.
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Najorka, J.; Gottschalk, M.; Heinrich, W. (2002): Composition of synthetic tremolite-tschermakite solid solutions in amphibole+anorthite- and amphibole+zoisite-bearing assemblages. American Mineralogist, 87, 4, 462-477.
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Gottschalk, M.; Najorka, J.; Andrut, M. (1998): Structural and compositional characterization of synthetic (Ca,Sr)-tremolite and (Ca,Sr) diopside solid solutions.. Physics and Chemistry of Minerals, 25, 415-428.
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Najorka, J.; Gottschalk, M.; Heinrich, W. (2000): Structural and thermodynamic properties of synthetic tremolite-magnesiohornblende solid solutions. 8th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Bergamo 2000), 77.
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Melzer, S.; Gottschalk, M.; Najorka, J.; Heinrich, W. (1999): The role of amphiboles and micas in controlling the alkali and alkaline earth element budget of the crust: Experimentally determined K-Rb-Cs-Ba and Sr-Ca exchange coefficients between solids and aqueous chloride solutions. Bulletin de liason de la Société Francaise de Minéralogie et de Cristallographie, 88-89.
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Najorka, J.; Gottschalk, M.; Heinrich, W. (1999): Experimentally derived thermodynamical data for the hypothetical tschermakite endmember. 77. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Wien 1999), 164.
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Gottschalk, M.; Andrut, M.; Melzer, S.; Najorka, J. (1998): Chemische und strukturelle Charakterisierung von synthetischen Amphibolen mittels Mikrosonde, HRTEM, Rietveld-Analyse und IR-Spektroskopie. 76. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Berlin 1998).
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Gottschalk, M.; Melzer, S.; Andrut, M.; Najorka, J. (1998): Structure and thermodynamics of amphiboles: mixing on the A- and M4-sites. 7th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Orléans 1998).
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Gottschalk, M.; Melzer, S.; Andrut, M.; Najorka, J. (1998): Substitution of various cations on the A- and M4-site in amphiboles. 17th General Meeting of the International Mineralogical Association (Toronto, Canada 1998), 103.
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Najorka, J.; Gottschalk, M.; Andrut, M. (1998): Incorporation of Sr into the tremolite structure. 7th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Orléans 1998), 45.
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Andrut, M.; Gottschalk, M.; Melzer, S.; Najorka, J. (1997): The influence of the M4 and A site on the stretching vibrations of the SiO4-double chain in clinoamphiboles. 75. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Köln 1997), 31.
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Najorka, J.; Gottschalk, M.; Andrut, M. (1997): Structural effects of Sr-Ca substitution in tremolite and diopside. 75. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Köln 1997), 264.
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Najorka, J.; Gottschalk, M.; Franz, G. (1997): Tremolite and diopside in equilibrium with an 1 molar aqueous (Sr,Ca)-chloridic solution. European Union of Geosciences (EUG-9) (Strasbourg 1997), 673.
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Najorka, J. (2001): Fluid-Amphibol-Austauschgleichgewichte. Technische Universität.
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