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Copper Skull

Copper “Skull” from Centennial Mine, Houghton Co., Michigan. Seldom seen formation which occurs when copper is deposited around cobbles in a conglomerate lode. The cobble deteriorates over time and leaves the copper “skull” formation. Specimen size is 135x110x50mm. From Ed Coleman Collection.

$145.00

In stock

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SKU: 508 Category:
Dimensions 13.5 × 11 × 5 cm