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RM1030   Copper

Keweenaw Peninsula, Michigan, United States

An interesting specimen of native copper showing laminar aggregates included within a solid slate matrix. A very different than usual for the species and locality.


Size: 9.5 x 5.4 x 3.5 cm.

 

RM891   Copper

Quincy Mine, Hancock, Houghton Co., Michigan, United States

Good sized specimen of native copper showing complex crystal faces, typical of these specimens, with good color, brilliance and aesthetics. This specimen is from the findings made in the mid-90 in this American mine. It has not been treated with chemicals, so its color and brightness are natural.


Size: 6.0 x 4.8 x 2.8 cm.
Found in ±1995.

Peso / weight: 141 g. - 4.97 oz.
 

RM892   Copper

Quincy Mine, Hancock, Houghton Co., Michigan, United States

Good sized and aerial specimen of native copper showing curved crystal faces, typical of these specimens, with good color and aesthetics. This specimen is from the findings made in the mid-90 in this American mine. It has not been treated with chemicals, so its color and brightness are natural.


Size: 9.0 x 6.0 x 2.5 cm.
Found in ±1995.

Peso / weight: 217 g. - 7.65 oz.
 
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