His fingers flew across the keyboard of his tablet, searching the PDF for the keywords: sapphire, flux, healed fissure, glass.
For gemologists, appraisers, and lab technicians—few references are as iconic as the PhotoAtlas of Inclusions in Gemstones . photoatlas of inclusions in gemstones volume 1 pdf
Limitations and cautions
“Yes,” Anya agreed. “But Finkelstein had one more plate. Plate 43. It was not in the copy you received. That plate was confiscated. It showed an inclusion inside a black opal from Lightning Ridge, Australia. The inclusion was a human eye. A complete, microscopic, fossilized human eye, with lens and retina, dated to 3.8 billion years ago. And the retina, when magnified, contained an image. A face. Your face, Dr. Vance.” His fingers flew across the keyboard of his