AM_Cechite
Formula: Pb (Fe.8 Mn.2) V O5 H
Name: Cechite
Unit cell: 7.605 9.435 6.099 90.0 90.0 90.0 , V=437.62
Space group: PNAM (62)

Pertlik F , Neues Jahrbuch fur Mineralogie, Monatshefte , 1989 (1989) p.34-40, The crystal structure of cechite, Pb(Fe,Mn)(VO4)(OH) with Fe>Mn. A mineral of the descloizite group, Locality: Vrancice, Bohemian pluton, Pribram, Czechoslovakia (Czech Republic)