About Michigan Rocks & Minerals

We sell museum-quality specimens from around the globe, specializing in Michigan Rocks & Minerals.

Learn More below

Shows (2025)

Jan. 30 - Feb. 16: Tucson, AZ

March 7-9: Kansas City, MO

April 10-12: Wyoming, MI

May 24-25: St. Charles, IL

August 13-17: Milwaukee, WI

Sept. 5-14: Denver, CO

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Cory Cotter, PhD

CopperGuy29@gmail.com