AM_Cacoxenite Formula: Al4 Fe21 P17 O110 H54.96 Name: Cacoxenite Unit cell: 27.559 27.559 10.55 90.0 90.0 120.0 , V=6939.21 Space group: P63/M (176)

Moore P B , Shen J , Nature , 306 (1983) p.356-358, An X-ray structural study of cacoxenite, a mineral phosphate, Locality: Avant s Claim, near Shady, Polk County, Arkansas, USA