B

   Baddeleyite                      ZrO2
   Barite                                BaSO4
   Bassanite                         2CaSO4· H2O
   Betafite                             (Ca,Na,U)2(Ti,Nb,Ta)2O6OH
   Beudantite                       PbFe33+(AsO4)(SO)4(OH)6
   Bieberite                           CoSO4· 7H2O
   Biotite                              K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2
   Blenda                             ZnS
   Britholite–(Ce)                (Ce,Ca)5(SiO4,PO4)3(OH,F)
   Brucite                             Mg(OH)2