AM_Julgoldite-(Fe3+)_1 Formula: Ca2 Fe3 Si3 O14 H2 Name: Julgoldite-(Fe3+) Unit cell: 8.922 6.081 19.432 90.0 97.6 90.0 , V=1045.02 Space group: A12/M1 (12)

Allmann R , Donnay G , Mineralogical Magazine , 39 (1973) p.271-281, The crystal structure of julgoldite, Locality: Langban, Sweden