Moldavite By Matt Young November 12, 2018 12:00 MST Photograph by Dan Phelps. Moldavite. Mr. Phelps writes, "I’ve had this moldavite for a number of years. I showed it in class today during my discussion of tektite formation. I used one of those ultra bright tactical flashlights to backlight the specimen ... (taken with my iPad)." The fingers belong to the photographer.