Spectroscopic characterisation and crystal field calculations of varicoloured kyanites from Loliondo, Tanzania

Orange, ochre-coloured, light green and dark blue varieties of kyanite, ideally Al 2 SiO 5 , from Loliondo, Tanzania, have been characterised by electron microprobe analysis and polarised infrared and optical absorption spectroscopy. All colour varieties show elevated Fe contents of 0.39 to 1.31 wt....

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Veröffentlicht in:	Mineralogy and petrology 2013-04, Vol.107 (2), p.289-310
Hauptverfasser:	Wildner, Manfred, Beran, Anton, Koller, Friedrich
Format:	Artikel
Sprache:	eng
Schlagworte:	Cations Colour Crystal defects Crystals Earth and Environmental Science Earth Sciences Geochemistry Inorganic Chemistry Iron Kyanite Mathematical models Mineralogy Original Paper Transition metals
Online-Zugang:	Volltext
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