Ad Hoc Tumbling Group
A Special GMS Group
for People Interested in Tumbling Rocks
The Ad Hoc Tumbling Group Meets
Third Tuesday
Every Odd Month
Many people, young and old, begin their rockhound journeys by tumbling stones. It is a great way to get into the hobby and there is so much to learn from tumbling.
The GMS Ad Hoc Tumbling Group meets every odd month via Zoom to talk about all things tumbling. If you are interested, you must be a member of GMS, and all members are encouraged to submit ideas for topics to cover.
The group also sponsors and runs an annual rock tumbling contest for novice and experienced tumblers. Winners are announced at our annual Mother's Day Weekend Rock Show.
If you have any questions about the Ad Hoc Tumbling Group, please send email to
Ad Hoc Tumbling Group Message
Date: Tuesday, September 15, 2026Time: Social Time 7:00 pm, Meeting Starts at 7:30 pm
Speaker: Tim Hellinger
Topic: 2027 Tumbling Contest
Location: Virtually via Zoom Link sent to members via email
The Ad-hoc Tumbling Group will convene for an important virtual meeting via Zoom on September 15th, with the virtual doors opening for sign-in at 7:00 PM and the official proceedings commencing promptly at 7:30 PM. This upcoming gathering is of paramount importance for all prospective participants, as the primary agenda will focus on the highly anticipated 2027 tumbling contest.
During this session, we will officially announce the specific material for each individual division and will thoroughly review all recent rule changes that will take effect for the competition. Anyone who is planning to take part in the 2027 Tumbling contest is strongly encouraged not to miss this essential informational meeting.
As always, should you have any questions or require further assistance regarding the event, please do not hesitate to contact us.
Tim Hellinger
Co-Chair (co-chair open for volunteers)

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