CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY
Specimen with Calcite, Willemite, and Franklinite fluorescing under UV light (Calcite appears red, Willemite appears green, and Franklinite appears black). Photographed at the Copper Queen Mine in Bisbee, Arizona.
Model release not required. Property release not available.