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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 95x85x40mm. From Ed Coleman Collection.
$115.00Add to cart
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.
$145.00Add to cart
Tourmaline
Tourmaline with Albite and quartz from Stak Nala, Gilgit-Skardu Road, Northern Areas, Pakistan. Three dark green, well-terminated crystals show prominently on this specimen. The penetrate the quartz crystal. The third and longest (3mm) sits on an albite crystal. Overall specimen size is 70x55x45mm.
$175.00Add to cart