
Welcome to the Kalamazoo Geological & Mineral Society (KGMS)
Now accepting applications for the 2023 Kalamazoo Rock & Gem Show - Click Here.
Would you like to be a demonstrator at one of our shows? Please contact us for details!
We are always in need of volunteers at our annual show. Volunteers get a FREE 3-day pass for helping a minimum of 4 hours at a show. If interested, contact us.
KGMS Annual Tailgate Sale and Swap
Event information will be posted to the HOMEPAGE of this website, when current information is available.
Location: Held outside in the parking lot of St. Michael Lutheran Church, 7211 Oakland Drive, Portage, Mi – 1.5 Mile South of 1-94. Event to be held rain or shine.
Open to anyone that wants to buy or sale jewelry, rocks, minerals, lapidary, equipment, crafts and other nifty items.
Sellers should bring their own tables. KGMS will not require a booth cost this year but a donation to the Society would be appreciated; a KGMS representative will be present to take donations.
Buyers, plan on lots of bargain-priced items: specimens, crystals, slabs, rough, fossils, equipment, jewelry & more!
Vendors can setup the morning of between 7:30 and 8:30am. No need to per-register. All items sold much be rock or lapidary related. KGMS reserves the right to deny or remove any vendors, for any reason.
For more information contact:
Dennis Guy 269 585 0415
If you cannot reach Dennis call 269-665-4300

