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Katophorite: Na(CaNa)Fe++4(Al,Fe+++)Si7AlO22(OH)2 Yoshimuraite: (Ba,Sr)2(Mn,Fe)2(Ti,Fe)(Si2O7)2(PO4,SO4)(OH)
Comments: Dark green katophorite associated with yoshimuraite. Inset fragment shows the transparency of the katophorite. Location: Toguchi mine, Shidara, Kitashidara-Gun, Aichi, Japan. Scale: See Image. © Rruff Database