Fluorite, Michigan - Item# MSFLU-039

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Fluorite in mica schist from the Grizzly Pegmatite, Republic, Michigan.  The Grizzly Pegmatite was exposed during local road construction and between the roadwork and collectors, the entire pegmatite was gone within 2 years. Most of the fluorite from this locale is radioactive, but this piece isn't registering on the Geiger counter at all.  The fluorite is in a really large glacial erratic of mica schist right next to the pegmatite but was never actually a part of the formation itself.
Approximate size (mm): 24x21x11 
Weight: 6.5 grams
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