RE: Michigan Upper Penninsula native copper crystal — Steemit

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RE: Michigan Upper Penninsula native copper crystal

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mountainwashere (65)in #geology • 7 years ago

Oooh, lovely!

7 years ago in #geology by mountainwashere (65)

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rockhardminerals (43) 7 years ago

Thanks! I can find pounds metal detecting at the abandoned mines.

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