Homer Mine, Iron Co., Michigan

9.7 x 8.1 x 6.6 cm
3.8 x 3.2 x 2.6 in

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A large rounded knob of reniform Hematite also referred to as kidney ore. The color is black with a reddish over coating in places. There is a druze of reddish Calcite crystals on one side which is only partially visible in the last three pictures. The surface of the specimen has a medium luster. A very good example from the Michigan iron mines. The specimen is in fairly good condition with the exception of a section on one side where the top few layers are missing.