Husheer, ShamusThompson, JohnMelnitchenko, Alexandre2015-12-130022-4596http://hdl.handle.net/1885/93793A study of the K-rich end of the potassium aluminate-silica system (K1-xAl1-xSixO2; 0≤x≤0.25) at temperatures up to 1500°C has confirmed the existence of a cubic cristobalite-type solid solution extending to x≈0.235 at 1500°C. The end member, KAlOKeywords: Cristobalite-related superstructure,; Cristobalite-type; KGaO2-type; Potassium aluminate; Potassium aluminosilicate; Rietveld refinement; Solid solution, XRD; Synthesis199910.1006/jssc.1999.84262015-12-12