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Pekovite: SrB2Si2O8
Comments: Backscatter elecron image of (a) an intergrowth of pekovite (Pkv) and pectolite (Pct) and (b), an enlarged area of (a) showing details. (CanMin, v 42, p 110). Location: Moraine of the Dara-i-Pioz glacier, Alai range, Tien Shan, northern Tajikistan. Scale: See Image. © Canadian Mineralogist