My father John and I bid farewell to the Granite Gap dedication and to dark-sky observing in New Mexico and, on Tuesday, February 8, 2011, drove northwest to Tucson, Arizona, for the annual Gem and Mineral Show. This huge event draws more than 100,000 to the city each year to look at hundreds of thousands of minerals, gems, meteorites, beads, pieces of jewelry, and other items that rock and gem folks just love — and all of it’s for sale. The show is the big event for the meteorite wo...