AM_Pokrovskite
Formula: Mg1.76 C O5 H2
Name: Pokrovskite
Unit cell: 12.2396 9.3506 3.1578 90.0 96.445 90.0 , V=359.12
Space group: P121/A1 (14)

Perchiazzi N , Merlino S , European Journal of Mineralogy , 18 (2006) p.787-792, The malachite-rosasite group: crystal structures of glaukosphaerite and, pokrovskite