Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Arrojadite-(KFe): KNa2CaNa2(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2
Comments: Greenish Gray, massive arrojadite-(KFe). Location: Nickel Plate mine, Keystone District, Pennington County, South Dakota, USA. Scale: See Image. © Rruff Database