Cracking the State Rock of Iowa, 20 December | Event in Sumner | AllEvents

Cracking the State Rock of Iowa

Sumner Public Library, IA

Highlights

Sat, 20 Dec, 2025 at 09:30 am

206 N. Railroad St., 50674

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Date & Location

Sat, 20 Dec, 2025 at 09:30 am (CST)

206 N. Railroad St., 50674

206 Railroad St, Sumner, IA 50674-1151, United States

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About the event

Cracking the State Rock of Iowa
There will be an Ultraviolet / Blacklight Display, Demonstrations of different Rocks, Minerals, Agates, Geodes and Fossils found in Iowa and other locations. We will be cracking open geodes, and everyone present will be able to pick out their own whole geode, have it cracked open and take it home.
This event is free and open to all age groups including K-12 as well as us non-traditional Youthful Adults.
Presentations by Glen Rocca (Geodes), Leon Harold (Lake Superior Agates) and Doug Ganfield (UV Fluorescent Rocks).


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206 N. Railroad St., 50674, 206 Railroad St, Sumner, IA 50674-1151, United States
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Host Details

Sumner Public Library, IA

Sumner Public Library, IA

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Cracking the State Rock of Iowa, 20 December | Event in Sumner | AllEvents
Cracking the State Rock of Iowa
Sat, 20 Dec, 2025 at 09:30 am