Crystal structure analysis of synthetic Ca4Fe1.5Al17.67O32: A high-pressure, spinel-related phase Kahlenberg, V. ; Shaw, C. S. J. ; Parise, J. B. Abstract Publication: American Mineralogist Pub Date: November 2001 DOI: 10.2138/am-2001-11-1215 Bibcode: 2001AmMin..86.1477K