- It’s time for the Rockhound Roundup! The Deming Gem & Mineral Society proudly presents their 52nd annual gem and mineral show on Thursday, March 8th through Sunday, March 11th from 9 am until 5 pm at the Southwest New Mexico Fairgrounds in Deming. There will be so much to see and do, from guided field trips, auctions, to vendors offering jewelry and rock-related items, lapidary equipment, and a buyers’ market, food and more! Free Admission and Parking. Don’t miss the Rockhound Roundup, March 9th through 11th in Deming!
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