AM_Tarbuttite Formula: Zn2 P O5 H Name: Tarbuttite Unit cell: 5.499 5.654 6.465 102.85 102.77 86.83 , V=191.12 Space group: P-1 (2)

Cocco G , Fanfani L , Zanazzi P F , Zeitschrift fur Kristallographie , 123 (1966) p.321-329, The crystal structure of tarbuttite, Zn2(OH)PO4, Locality: Broken Hill, Rhodesia