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.
Esperite: PbCa3Zn4(SiO4)4 Hardystonite: Ca2ZnSi2O7 Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4
Comments: Pale brown porcelaneous esperite with pinkish gray hardystonite and black franklinite. Location: Franklin, Sussex County, New Jersey. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species