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.
Calzirtite: CaZr3TiO9 Augite: (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 Richterite: Na(CaNa)(Mg,Fe++)5[Si8O22](OH)2
Comments: Gray irregular grain of calzirtite (see arrow) in fibrous augite with dark red richterite. Location: Jacupiranga Mine, Cajati, Sao Paulo, Brazil. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species