AM_Andesine_1 Formula: Ca.24 Na.26 (Al.735 Si1.265) O4 Name: Andesine Unit cell: 8.179 12.88 7.112 93.44 116.21 90.23 , V=670.58 Space group: C-1 (2)

FitzGerald J D , Parise J B , Mackinnon I D R , American Mineralogist , 71 (1986) p.1399-1408, Average structure of an An48 plagioclase from the Hogarth Ranges, Sample: X-ray data