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Winchite: [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2
Comments: Magenta crystalline winchite in manganese ore. Location: Tirodi Mines, Madhya Pradesh, India. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Winchite: [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2 Sodalite: Na8Al6Si6O24Cl2
Comments: Purple sodalite with some crystal faces, supporting a very sharp, transparent winchite crystal, terminated on one end. Location: Sar-e-Sang, Kokcha Valley, Badakshan Province, Afghanistan. Scale: 11x10x8 mm. © Richard Dale / Dale Minerals