AM_Fernandinite
Formula: V2 Ca.72 O5
Name: Fernandinite
Unit cell: 11.68 3.6537 11.023 90.0 105.0 90.0 , V=454.38
Space group: C12/M1 (12)

Evans H T , Post J E , Ross D R , Nelen J A , The Canadian Mineralogist , 32 (1994) p.339-351, The crystal structure and crystal chemistry of fernandinite and corvusite, Minasragu, Peru, with general formula (Ca,Na,K)x(V,Fe,Ti)8O20.4H2O, Locality: Minasragu, Peru