The wardite group includes: cyrilovite: NaFe3+3(PO4)2(OH)4.2H2O fluorowardite: NaAl3(PO4)2(OH)2F2.2H2O millisite: NaCaAl6(PO4)4(OH)9.3H2O wardite: NaAl3(PO4)2(OH)4.2H2O Back to Minerals