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Polylithionite: KLi2AlSi4O10(F,OH)2
Comments: Rosette of polylithionite crystals. Location: Mt. St. Hilaire, Quebec, Canada. Scale: 2.5 x 2.3 cm. © John Veevaert
Polylithionite: KLi2AlSi4O10(F,OH)2 Shibkovite: K(Ca,Mn,Na)2(K2-x,[ ]x)2ZnSi12O30 (x~0.8)
Comments: Clear crystalline shibkovite aggregates with peach colored translucent polylithionite. Location: Dara-Pioz, Tien-Shan, Tadzhikistan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species