Welcome to the Kalamazoo Geological & Mineral Society (KGMS)
The 2025 KGMS Rock & Gem Show is May 2-4, 2025, more info on the Show page
Kalamazoo Expo Center.
Multiple rooms with over 50 Booths!
64th Kalamazoo Rock, Gem, Fossil and Mineral Show, May 2-4, 2025
One of the largest Rock and Gem shows in the Mid-west! Over 50,000 sq. ft. of show space
Schools Only:
Friday 9 am - 1 pm
Sign up your class for Kid’s Day and request a bus subsidy e-mail HERE
Open to public: (Note - times may change, recheck here in 2025)
Friday 2 pm - 8 pm
Saturday 10 am - 6 pm
Sunday 10 am - 5 pm
Entrance Fees
Adults (12 and up) $5.00
Kids (under 12) Free with paid adult.
Boy Scouts, Girl Scouts, Campfire Girls, Bluebirds free when in uniform!
Location:
Kalamazoo County Expo Center, 2900 Lake Street, Kalamazoo, MI
Expo Policy: NO PETS
Note: Admission to the Rock and Gem Show is cash only. There is an ATM in the lobby of the Expo Center.
We DO NOT do pre-sale of tickets! Tickets are only available at the door. Do not trust anyone offering on-line sales of KGMS Show tickets.
In addition to club and show rules, the Kalamazoo County Expo Center also requires guests to adhere to their Policies and Procedures which can be found here.
Activities
For the Kids
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The Gold Mine! Mine for gems, fossils & “gold”
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The Wheel of Fortune
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Beading, gem trees
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Educational activities presented by Western Michigan University, Kalamazoo Valley Community College and Kingman Museum.
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Gold Panning
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Much More…
Scheduled Presentations & Speakers
This years speakers include Eric Rintamaki and Paul Brandes.
Eric Rintamaki is the founder and discoverer of the famous "Yooperlite".
Paul Brandes is the author of "Michigan Rocks! A Guide to Geological Sites in the Great Lakes State"
In past years speakers have included: John A. Jaszczak, Ph.D. director of the A. E. Seaman Mineral Museum, MTU, Michigan’s own meteorite hunter, Larry Atkins, Paleo Joe and a number of others notable individuals.
Also
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Geode Cracking
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Petoskey Stone Polishing $1.00
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Hourly Door Prizes!
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The Specimen Table: rocks from $0.25 and up!
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Silent Auction
Demonstrators - may include
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Beading
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Wirewrapping
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Silverwork
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Faceting
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Gem Trees
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Slate Carving
Displays
Over 20 - 50 outstanding club members display their finds and favorites special displays of gems, minerals and lapidary creations
For Sale
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Dealers with hobby sales booths
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Diamonds
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Rubies
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Emeralds
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Sapphires
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Gold and Silver Jewelry
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Minerals
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Fossils
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Opals
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Carvings
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Jewelry
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Cabs
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Beads
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Meteorites
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More…
Society's Proceeds go to
Geological Education including Scholarships for Western Michigan University geology students, other grants related to the earth sciences.
The Kalamazoo Gem and Mineral Show is the most attended geological show in Michigan. A fun event for the whole family
The Kalamazoo Rock and Mineral Show is an event of the Kalamazoo Geological and Mineral Society, a 501(c)3 nonprofit.
