Kupletskite Mineral Gallery

Kupletskite Mineral Gallery
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Kupletskite Minerals

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Kupletskite Mineral Gallery With 2 Images

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Kupletskite: K2Na(Mn,Fe++)7(Ti,Nb)2Si8O26(OH)4F

Comments: Bronze-colored stellate crystalline spray of kupletskite on white orthoclase.
Location: 3M quarry, Little Rock, Pulaski County, Arkansas, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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Kupletskite: K2Na(Mn,Fe++)7(Ti,Nb)2Si8O26(OH)4F  
Niobokupletskite: K2Na(Mn,Zn,Fe)7(Nb,Zr,Ti)2Si8O26(OH)4(O,F)

Comments: Back-scattered electron image of Niobokupletskite (Nkpt) rimming kupletskite (Kpt). The zoning in the kupletskite is from Nb-poor to Nb-rich in the direction of the arrow (dark to medium gray). (CanMin v 38, p 628).
Location: Mont Saint-Hilaire, Quebec, Canada. Scale: Scale bar 100 µ-m.
© Canadian Mineralogist
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