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.
Boromullite: Al4.5SiB0.5O9.5
Comments: PPL image of holotype boromullite prism in thin section 2006-MST22a. Bmu = boromullite, Crd = cordierite, Hc = hercynite, Kfs = K-feldspar, Sil = sillimanite. Eur. J. Mineral v20:935. Location: Mount Stafford, central Australia. Scale: See Image. © Eur. J. Mineral
Comments: BSE image of holotype boromullite prism in thin section 2006-MST22a. Bmu = boromullite, Crd = cordierite, Hc = hercynite, Kfs = K-feldspar, Sil = sillimanite. Eur. J. Mineral v20:935. Location: Mount Stafford, central Australia. Scale: See Image. © Eur. J. Mineral