Crystal structures of K2[XSi5O12] (X = Fe2+, Co, Zn) and Rb2[XSi5O12] (X = Mn) leucites: comparison of monoclinic P21/c and Iad polymorph structures and inverse relationship between tetrahedral cation (T = Si and X)—O bond distances and intertetrahedral T—O—T angles

The leucite tectosilicate mineral analogues K2X2+Si5O12 (X = Fe2+, Co, Zn) and Rb2X2+Si5O12 (X = Mn) have been synthesized at elevated temperatures both dry at atmospheric pressure and at controlled water vapour pressure; for X = Co and Zn both dry and hydrothermally synthesized samples are availabl...

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Veröffentlicht in:	Acta crystallographica Section B, Structural science, crystal engineering and materials Structural science, crystal engineering and materials, 2018-06, Vol.74 (3), p.274-286
Hauptverfasser:	Bell, Anthony M. T., Henderson, C. Michael B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cations Cobalt Crystal structure Diffraction Electronegativity High temperature Independent variables leucite‐group minerals Potassium aluminum silicates Rietveld refinement silicate framework structures Silicon Synthesis Vapor pressure Water vapor X‐ray powder diffraction Zinc
Online-Zugang:	Volltext
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