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.
Jahnsite-(CaMnFe): CaMn++Fe++2Fe+++2(PO4)4(OH)2·8(H2O)
Comments: Orange-brown microcrystalline jahnsite-(CaMnFe) associated with quartz. Location: Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: See Image. © Rruff Database