About Michigan Rocks & Minerals

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

Learn More below

Shows (2026)

Jan. 29 - Feb. 15: Tucson, AZ

March 13-15: KCI EXPO

April 9-11: Grand Rapids, MI

May 1-3: Kalamazoo, MI

May 23-24: St. Charles, IL

September 11-20: Denver, CO

October 9-11: Warren, MI

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Cory Cotter, PhD

CopperGuy29@gmail.com