AM_Sanromanite Formula: (Na2 Ca) Pb3 C5 O15 Name: Sanromanite Unit cell: 10.5702 10.5702 6.6509 90.0 90.0 120.0 , V=643.54 Space group: P63MC (186)

Schluter J , Malcherek T , Pohl D , Neues Jahrbuch fur Mineralogie, Abhandlungen , 183 (2007) p.117-121, Sanromanite, from the Santa Rosa mine, Atacama desert, Chile,, a new mineral of the burbankite group, Locality: Santa Rosa mine, near Iquique, Chile