Central Exploration Mine
Keweenaw Peninsula
Size: 6.1x4.4x3.5 cm
Largest crystal size: n/a mm


Here is a nice specimen of native copper showing a spire of copper on one side that is trying hard to be a crystal. It is intergrown with calcite and zeolites. From the Central Mine, one of the Great old mines of the Keweenaw Peninsula.

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