Valleriite,a special layered mineral consisting of alternating sulfide layers(S layer)andhydroxide layers(H layer)along the common c axis,could represent the structuralcharacteristics of similar minerals.The supercell structural model of valleriite was firstestablished by Evans et al.. After that,investigations on valleriite in many aspects based Valleriite, a special layered mineral consisting of alternating sulfide layers (S layer) andhydroxide layers (H layer) along the common c axis, could represent the structural characteristics of similar minerals.s. The supercell structural model of valleriite was firstestablished by Evans et al .. After that, investigations on valleriite in many aspects based