The brownmillerite subgroup includes:
brownmillerite:
Ca2Fe3+AlO5
sharyginite:
Ca3TiFe2O8
shulamitite:
Ca3TiFe3+AlO8
srebrodolskite:
Ca2Fe3+2O5
The brownmillerite subgroup is a member of the
non-stoichiometric perovskites group,
perovskite supergroup
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