Meteorite fragments from the Chelyabinsk meteor that entered Earth's atmosphere over Russia on February 15, 2013 is part of the collection of Michael Farmer in Tucson, AZ. Some of these small pieces are valued for their distinctive shapes and flow lines. Farmer has been a meteorite hunter for almost 20 years. He got his start at the Tucson Gem, Mineral and Fossil Showcase. Photo taken Wednesday, January 22, 2014. Photo by Ron Medvescek / Arizona Daily Star.