The crichtonite group includes:
botuobinskite:
SrFe2+(Ti4+12Cr3+6)Mg2[O36(OH)2]
crichtonite:
Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
davidite-(Ce):
Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
davidite-(La):
La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
dessauite-(Y):
Sr(Y,U,Mn)Fe2(Ti,Fe,Cr,V)18(O,OH)38
gramaccioliite-(Y):
(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38
haitaite-(La):
LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38
lindsleyite:
(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
mirnyite:
SrZr4+(Ti4+12Cr3+6)Mg2O38
senaite:
Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
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