AM_Samfowlerite Formula: Ca14 Mn3 Zn2.76 Be7.24 Si14 O58 H6 Name: Samfowlerite Unit cell: 9.068 17.992 14.586 90.0 104.86 90.0 , V=2300.14 Space group: P121/C1 (14)

Rouse R C , Peacor D R , Dunn P J , Su S-C , Chi P H , Yeates H , The Canadian Mineralogist , 32 (1994) p.43-53, Samfowlerite, a new Ca Mn Zn beryllosilicate mineral, from Franklin, New Jersey: Its characterization and crystal structure, Locality: Franklin, New Jersey, USA