native copper in calcite crystal (late mesoproterozoic mineralization age, 1.05-1.06 ga; central mine, keweenaw peninsula, upper peninsula of michigan, usa) 1 color palette

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#553259 #B54E50 #D8403D #C0AEB1 #A27377

related tags: 4D3C4F 967E81 9B6769 A27377 B16563 B54E50 BBB2B4 C0AEB1 D8403D calcite calcium carbonate carbonates central copper crystal crystals element elements keweenaw michigan mine mineral minerals native peninsula precambrian proterozoic upper 553259