The roscherite group includes:
greifensteinite:
Ca2Be4Fe2+5(PO4)6(OH)4.6H2O
roscherite:
Ca2Mn2+5Be4(PO4)6(OH)4.6H2O
ruifrancoite:
Ca2(☐,Mn)2(Fe3+,Mn,Mg)4Be4(PO4)6(OH)6.4H2O
zanazziite:
Ca2Be4Mg5(PO4)6(OH)4.6H2O
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