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Pellyite: Ba2Ca(Fe++,Mg)2Si6O17 Gillespite: BaFe++Si4O10
Comments: Red crystalline gillespite with yellow pellyite rock matrix. Location: GUN claims, Itsi Mountains, MacMillan Pass Area, Yukon Territory, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pellyite: Ba2Ca(Fe++,Mg)2Si6O17
Comments: Brown massive pellyite in barite. Location: Rush Creek, Fresno County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species