| NATIVE COPPER in CALCITE, Quincy Mine, Keweenaw Peninsula, Michigan, 3.2 x 2 x 1.5 cm | |
 | Transparent to translucent double terminated Calcite scalenohedral crystal with a small thick foil of Copper and a couple of other small included bits of Copper on the base of the Calcite. Minor damage on both of the terminations but overall in good shape. This old specimen is from the Gil Griffin (Seattle) collection. |
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