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Epidote-(Sr): CaSrAl2Fe+++(Si2O7)(SiO4)O(OH) Tinzenite: (Ca,Mn,Fe)3Al2BO3Si4O12(OH)
Comments: B&W image of a radial aggregate of epidote-(Sr) in tinzenite. (Journal of Mineralogical and Petrological Sciences, v103:400). Location: Nagakawara and Hohnomori deposits at the Ananai mine, Kochi Prefecture, Japan. Scale: See Image. © Journal of Mineralogical and Petrological Sciences