native copper in calcite crystal (late mesoproterozoic mineralization age, 1.05-1.06 ga; central mine, keweenaw peninsula, upper peninsula of michigan, usa) 3 color palette

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#753F55 #B7463F #BB221A #AAA4A8 #957188

related tags: 674D58 753F55 8C7A86 99605D A8A6A7 AAA4A8 B7463F BB221A calcite calcium carbonate carbonates central copper crystal crystals element elements keweenaw michigan mine mineral minerals native peninsula precambrian proterozoic upper 934642 957188