AM_Danalite_4 Formula: Be3 Si3 O12 Fe4 S Name: Danalite Unit cell: 8.23606 8.23606 8.23606 90.0 90.0 90.0 , V=558.67 Space group: P-43N (218)

Antao S M , Hassan I , Parise J B , The Canadian Mineralogist , 41 (2003) p.1413-1422, The structure of danalite at high temperature obtained from, synchrotron radiation and Rietveld refinements, Sample: T = 124 degrees C