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.
Ferronigerite-6N6S: (Fe++,Zn)4Sn2(Al,Fe+++)15O30(OH)2
Comments: Brownish ferronigerite-6N6S in matrix. Location: Rosendal tantalum deposit, Rosendal pegmatite, Kemiƶ (Kimito) Island, Lansi-Suomen Laani, Finland. Scale: Picture Size 3.5 mm. © Thomas Witzke / Abraxas-Verlag