Superb group of sharp Native Copper crystals showing rare cubic form, from the famous Osceola mine in Michigan’s Keweenaw Peninsula. Has a great patina, good luster, and an interesting combination of both elongated spinel-twin crystal forms and well-formed cubic crystals. From the noted collection of Martin Zinn III. Classic!!
Original price was: $2,500.00.$1,800.00Current price is: $1,800.00.
In stock
Species: Cuprite, Native Copper, Tenorite
Locality: Phoenix Mine, Phoenix, Houghton Township, Keweenaw County, Michigan, USA
Size: 11 x 4.5 x 1.7 cm
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Species: Native Copper
Locality: Central Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
Size: 5.3 x 4.5 x 2.8 cm
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Species: Native Copper, Tenorite
Locality: Caledonia Mine, Mass City, Ontonagon County, Michigan, USA
Size: 8 x 4.5 x 5 cm
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Species: Cuprite, Native Copper
Locality: Rubtsovsk Mine, Rubtsovsky District, Altai Krai, Russia
Size: 22 x 11 x 7 cm
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