Nebraska Mine, Ontonagon Co., Michigan, USA

10.4 x 6.5 x 4.8 cm
4.1 x 2.6 x 1.9 in

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Well formed Adularia crystals which are a muted orange color. On one side of the specimen, there very small, micro, transparent crystals of Adularia. This specimen was listed as also having native Copper which was at first hard to locate due to alteration to unidentified green to blue/green colored species on the surfaces of the Copper. The mine is now connected underground to the nearby Caledonia mine. This was done due to safety regulations.

Condition: Good

Flaws: There are a few, small bruised areas with incomplete Adularia crystals.

This mineral is also found in the following galleries: Minerals From Michigan | Tectosilicates | Copper | Minerals Priced Between 50 and 99 Dollars