Wolverine Mine #2 Shaft, Houghton Co., Michigan

3.9 x 2.7 x 1.1 cm

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Ex. A. E. Seaman Museum

Copper is included in an Agate which formed in a amygdule vesicule in basalt. The agate is white to gray banded. The Copper is near the outer edges. The agate has a very good polish.