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the 80th annual greater detroit gem, mineral & fossil show returns october 9-11, 2026!

After a one year hiatus, the BIG SHOW returns to the Macomb Community College Sports & Expo Center with 70 of the best gem, jewelry, mineral & fossil dealers in the country. Lectures, panning for real gold, fossil dig, free giveaways, and for the first time ever FREE admittance for children 14 and younger (with a parent or guardian)!

Fine Opals
Crystals
Mineral Specimins
Beautiful Jewelry
Amber
Geode Cracking
Gold Panning

Location & Time:

Macomb Community College

  South Campus

  Sports & Expo Center

  14500 E. 12 Mile Rd. Warren, MI 48088

October 9, 2026 9am-6pm pm

October 10, 2026 10am-7pm

October 11, 2026 11am-5pm

​• Parking is FREE!​​

Printable PDF of Macomb Campus Map:

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