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Showing 1–12 of 117 results

Copper and Silver

$125.00

Copper and silver “halfbreeds” from Kearsage Mine, Houghton Co., Michigan. This specimen measures 43x40x10mm with a large (approximately 25x10mm) showing of silver. From the Ed Coleman collection.

$125.00Add to cart

Copper Crystal

$50.00

Copper crystal from St. Claire Mine, Keweenaw Co., Michigan. Single 26x32x12mm crystal with rich tenorite patina.

$50.00Add to cart

Copper Crystals with Silver

$45.00

Copper crystals with silver from White Pine Mine, Ontonogan Co., Michigan. Small “pin head” showings of silver on interesting copper crystal growth. Specimen measures 70x25x13mm.

$45.00Add to cart

Copper Crystals

$135.00

$135.00Add to cart

Copper Crystals

$135.00

Copper crystals from Quincy Mine, Houghto Co., Michigan. Nice patina. Tenorite on this 100x65x18mm grouping of crystals.

$135.00Add to cart

Silver Crystals

$95.00

Silver crystals from Mass Mine, Ontonagon Co., Michigan. Beautiful example of characteristically bright silver. Specimen measures 15x15x12mm.

$95.00Add to cart

Copper and Silver

$115.00

Copper and silver “halfbreeds” from Pewabic Mine, Houghton Co. Michigan. A unique combination of copper and silver in these four specimens. Largest specimen measures 27x20x11mm. Great value.

$115.00Add to cart

Copper Crystals

$175.00

$175.00Add to cart

Copper Crystals

$175.00

Copper crystals from White Pine Mine, Ontonagon Co., Michigan. Beautiful grouping of well defined copper crystals. Specimen measures 145x60x10mm.

$175.00Add to cart

Copper Skull

$115.00

$115.00Add to cart

Copper Skull

$115.00

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

$145.00

$145.00Add to cart

Copper Skull

$145.00

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

Chrysanthemum Stone

$20.00

Chrysanthemum Stone from China. Dark black limestone matrix with internal andalusite crystals resembling a chrysanthemum. Overall specimen size is 90x50x30mm.

$20.00Add to cart

Chrysanthemum Stone

$20.00

Chrysanthemum Stone from China. Dark black limestone matrix with internal andalusite crystals resembling a chrysanthemum. Overall specimen size is 45x70x20mm.

$20.00Add to cart

Celestite

$35.00

$35.00Add to cart

Celestite

$35.00

Celestite from Majunga, Madagascar. High lustre sharp blue crystals line the vug of this 80x100x40mm matrix.

$35.00Add to cart