Mimetite, wulfenite
The University of Arizona Mineral Museum in the Flandreau Science Center and Planetarium
The University of Arizona
Tucson, AZ, USA
2018-02-20 10:32:29 AM
Canon EOS 6D, f/4 @ 105 mm, 1/100, ISO 500, No Flash
Joseph A. Carr www.JoeCarr.ca