MGMS Gem and Mineral Show
www.mgmsrockclub.com does not resolve. The apex host lists Annual Show 2026 as 20–22 March 2026 at Keeley Park, Jackson, which is past as of 16 August 2026. No 2027 dates.
- Dates
- March 19, 2027 — March 21, 2027
- Hours
- 9:00 AM – 6:00 PM Unverified
Please double-check the dates and location on the organizer website before attending.
The MGMS Annual Gem and Mineral Show returns to Jackson, Michigan for its 2027 edition on 19-21 March 2027 (the third weekend in March). The three-day show is held at the American 1 Event Center at Keeley Park, 200 W Ganson Street, Jackson, MI 49202, and features gem, mineral and fossil exhibits, dealers, demonstrations and family activities. The society is a non-profit 501(c)(3) organisation founded in 1954. The show traditionally runs the third weekend of March each year, drawing rock, mineral and fossil enthusiasts from across the region.
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