Members of the hedyphane group include:
aiolosite:
Na2(Na2Bi)(SO4)3Cl
caracolite:
Na2(Pb2Na)(SO4)3Cl
cesanite:
Ca2Na3(SO4)3OH
fluorsigaiite:
Ca2Sr3(PO4)3F
hedyphane:
Ca2Pb3(AsO4)3Cl
hydroxylhedyphane:
Ca2Pb3(AsO4)3(OH)
phosphohedyphane:
Ca2Pb3(PO4)3Cl
The hedyphane group is a member of the apatite supergroup.
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