Pyrite, Michigan (Back 40) - Item# PYM-044

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$5.00
$5.00
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Pyrite sample from the Back 40 Project, in Menominee County, Mi.  The Back 40 project is still going through the exploratory and permitting stage.  Hopefully it will be a working mine within the next few years.
Approximate size (mm): 18x17x15 
Weight: 13.5 grams
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