AM_Agardite-(Ce) Formula: Ce.707 Cu6 As3 O21 H18 Name: Agardite-(Ce) Unit cell: 13.605 13.605 5.917 90.0 90.0 120.0 , V=948.48 Space group: P63/M (176)

Hess H , Neues Jahrbuch fur Mineralogie, Monatshefte , 1983 (1983) p.385-392, Die kristallstruktur des chlorotils, SECu6(AsO4)3(OH)6*3H2O, (SE = seltene erdmetalle), Locality: Clara mine, Black Forest, Baden-Wurttemberg, Germany