Stannoidite
Stannoidite was first described in 1969 for an occurrence in the Konjo mine , Okayama prefecture , Honshu Island , Japan . 
<triplet> Okayama prefecture <subj> Japan <obj> country <triplet> Honshu Island <subj> Japan <obj> country <triplet> Japan <subj> Okayama prefecture <obj> contains administrative territorial entity