Neolithic humans first used native copper about 10,000 years ago.
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Common Uses Of Copper In Everyday Life And Other, 57% OFF
Copper: The mineral native Copper information and pictures
Native Copper, Malachite, Andularia: Adventure mine, Ontonagon County, Michigan USA – Persson Rare Minerals
TNC Hits Two Intersects of 26.20m @ 4.45% Cu and 46.60m @ 2.18% Cu, Vero Resource, Mt Oxide
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Native Copper Crystal Central Mine, Keweenaw County, Upper Peninsula of Michigan, USA.
Geology Club @ CSU Bakersfield
File:Copper crystal (Mesoproterozoic, 1.05-1.06 Ga; Calumet and Hecla Mine, Calumet, Upper Peninsula of Michigan, USA) (16687779923).jpg - Wikipedia
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NATIVE COPPER USA Michigan Specimen Natural Rough Mineral Crystal Rock Specimen Healing DA314 - Sweden
Copper: The mineral native Copper information and pictures
Western Desert Case Study - Internet Geography