AM_Hopeite_3
Formula: Mg.62 Zn2.38 P2 O12 H8
Name: Hopeite
Unit cell: 10.594 18.333 5.029 90.0 90.0 90.0 , V=976.73
Space group: PNMA (62)

Haussuhl S , Middendorf B , Dorffel M , Journal of Solid State Chemistry , 93 (1991) p.9-16, Structure and properties of hopeites (MgxZn1-x)3(PO4)2*4H2O, Locality: synthetic