MOUNT CLEMENS — “Colorful Calcites” is the theme of the 65th annual Greater Detroit Gem, Mineral, Fossil & Jewelry Show slated for Oct. 9, 10 and 11 at the Gibraltar Trade Center North, 237 N. River Road. The show is presented by the Michigan Mineralogical Society, a nonprofit educational organization affiliated with Cranbrook Institute of Science. Cranbrook and Lost & Found Vintage of Royal Oak are sponsoring the show this year. Everyone buying a ticket for the show will receive a free ticket for the science … [Read more...] about Rock on with dinosaurs at annual gem show next month