AM_Hillite Formula: Ca2 (Zn.623 Mg.377) P2 O10 H4 Name: Hillite Unit cell: 5.736 6.767 5.462 97.41 108.59 107.19 , V=186.05 Space group: P-1 (2)

Yakubovich O V , Massa W , Liferovich R P , Gavrilenko P G , Bogdanova A N , Tuisku P , The Canadian Mineralogist , 41 (2003) p.981-988, Hillite, a new member of the fairfieldite group: Its description and crystal structure