Flatirons Mineral Club Annual Gem & Mineral Show, December 10-12, 2010, Boulder County Fairgrounds Exhibit Building, 9595 Nelson Rd. (Nelson & Hover), Longmont, CO, 80501. Fri. 10-6, Sat. 9-5, Sun. 10-5.

Shop for unique gifts and stocking-stuffers from 16 gem, rock, mineral, jewelry, and lapidary equipment dealers. See exhibits and demonstrations. Beginners' wire-wrap class by Caren Johannes at 1 p.m. on Saturday. Talk by Pete Modresky on Mines & Minerals of the Crystal Mountain Pegmatite District, Larimer County, Colorado at 2 p.m. Sunday. Special kids' activities include gold panning, scavenger hunt, mineral identification game, and dig site. Free parking, food available on site. Held in conjunction with the Boulder Model Railroad Club Annual Show Dec. 11-12. $3 Fri., $5 Sat or Sun., Kids (under 13) with paid adult, free.

Sponsored by The Flatirons Mineral Club, a Boulder-based non-profit organization dedicated to developing and maintaining interest in all aspects of earth science and associated hobbies. For more information see the club's website: http://bcn.boulder.co.us/community/fmc/fmcshow.htm, or email Ray Gilbert HOSS1ONE@cs.com.