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.
Comments: Brownish black crystal fragment of tetraferriannite showing the micaceous cleavage.
Location: Bancroft District, Hastings Co., Ontario, Canada.
Scale: Sample Size 1 cm.
© Jeff Weissman / Photographic Guide to Mineral Species