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Raw Michigan copper has a distinctive appearance, with a reddish-brown color and a bright metallic luster. It often occurs in irregularly shaped masses, which can range in size from small nodules to massive boulders. The copper may also be found in combination with other minerals, such as silver, nickel, and iron.
Location: Michigan, USA
Weight: 1lb 7.8oz
Size: 3x3.5 inches
Collections: Minerals