AM_Nealite Formula: Pb4 Fe As2 O8 Cl4 H4 Name: Nealite Unit cell: 6.53 10.23 5.588 96.4 89.5 97.8 , V=367.52 Space group: P-1 (2)

Giuseppetti G , Mazzi F , Tadini C , Neues Jahrbuch fur Mineralogie, Monatshefte , 1993 (1993) p.278-288, The crystal structure of nealite: Pb4Fe(AsO3)2Cl4*2H2O, Locality: Laurion, Greece