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Yooperlite (Syenite) Fluorescent Stone, Houghton, Michigan
Object/Artifact
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McCormick Michigan History Collection
Name/Title
Yooperlite (Syenite) Fluorescent Stone, Houghton, Michigan
Description
Yooperlite stone, which is sodalite rich and fluoresces under black light, found locally in the Keweenaw Peninsula in Michigan's Upper Peninsula. Purchased in Houghton, Michigan.