AM_Carlfriesite Formula: Te3 Ca O8 Name: Carlfriesite Unit cell: 12.576 5.662 9.994 90.0 115.56 90.0 , V=641.98 Space group: C12/C1 (15)

Effenberger H , Zemann J , Mayer H , American Mineralogist , 63 (1978) p.847-852, Carlfriesite: crystal structure, revision of chemical formula, and synthesis