Gem News International Gems & Gemology, Spring 2014, Vol. 50, No. 1 Stone and Fossil Photography – Tucson 2014 Stuart Overlin April 30, 2014 Figure 1. This enlarged image of a Peruvian opal showcases the dramatic forms captured by Mike Woodward. Courtesy of Mike Woodward Photography. About the Author Stuart Overlin is editor of Gems & Gemology.