AM_Vastmanlandite-(Ce) Formula: Ce3.078 Ca.922 Mg1.558 Fe.514 Al1.928 Si5 O21.539 F.461 H2 Name: Vastmanlandite-(Ce) Unit cell: 8.939 5.706 15.855 90.0 94.58 90.0 , V=806.12 Space group: P121/M1 (11)

Holtstam D , Kolitsch U , Andersson U B , European Journal of Mineralogy , 17 (2005) p.129-141, Vastmanlandite-(Ce) - a new lanthanide- and F-bearing sorosilicate mineral, from Vastmanland, Sweden: description, crystal structure, and relation to gatelite-(Ce), Locality: Vastmanland, Sweden