The hydrocalumite group includes:
hydrocalumite:
Ca4Al2(OH)12(Cl,CO3,OH)2.4H2O
kuzelite:
Ca4Al2(OH)12(SO4).6H2O
mampsisite:
Ca4Al2(OH)12(CO3).5H2O
mariakrite:
[Ca4Al2(OH)12(H2O)4][Fe2S4]
The hydrocalumite group is a member of the
hydrotalcite supergroup
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