"Rough & Polished" is the theme of this year's Bitterroot Gem and Mineral Society's show at the Ravalli County Fairgrounds in Hamilton. The First Interstate Event Center will have a great selection of rock collections, mineral experts and more from 10 a.m. to 6 p.m. on Saturday, May 19, and 10 a.m. to 5 p.m. on Sunday, May 20.

This year's special features include:

  • Paleontologist Dave Trexler of Two Medicine Dinosaur Center on the "Dig Certification Program."
  • Consulting Geologist Ted Antonioli will have information on "Is There A Lost Spanish Gold Mine at Argenta?"
  • Lee Silliman will talk about "Fossilized Trees of Yellowstone."
  • Don Safford will have daily Flintknapping demonstrations.
  • Montana Gold Prospectors will demonstrate Gold Panning.
  • There will be Silent Auction items, kids activities, Geode Cutting, raffles and lots of people interested in the rocks that surround us in Montana and the Northwest. Admission is only $2 and those age 12 and under are free. Find out more at the Gem and Mineral Society website.