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Ferrokentbrooksite: Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2
Comments: A crystal of red ferrokentbrooksite in matrix. Location: Mont Saint-Hilaire, Quebec. Scale: Crystal size 1.5 mm. © László Horváth
Manganokhomyakovite: Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2
Comments: Pseudo-octahedral Manganokhomyakovite crystals. (CanMin, v37:893). Location: Mont Saint-Hilaire, Quebec, Canada. Scale: Crystal Size 0.51 mm. © László Horváth / Canadian Mineralogist