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Polished Copper Slice

$32.00

Description

Polished copper cross-cut slice mined in Ontonagon, Mi in the Lake Superior Copper District. Copper deposits in this area originate in fissures and veins. The rocks in this district are Precambrian in age.

Additional information

Weight .2 lbs
Dimensions 3.25 × 2.6 × .4 in