The devilline group includes:
aldridgeite:
(Cd,Ca)(Cu,Zn)4(SO)4)2(OH)6.3H2O
devilline:
CaCu4(SO4)2(OH)6.3H2O
lautenthalite:
PbCu4(SO4)2(OH)6.3H2O
orthoserpierite:
CaCu4(SO4)2(OH)6.3H2O
serpierite:
Ca(Cu,Zn)4(SO4)2(OH)6.3H2O
They are all hydrated sulphates with hydroxyl, of copper together with other
cations
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