A superb group of very sharp spinel-law twinned copper crystals associated with minor white baryte from the South Kearsarge Mine in Michigan’s Upper Peninsula Copper District. Unusually-sharp and complex spinel law style copper crystallization for Michigan copper, especially at this locality. This fine specimen has passed through numerous notable collections over the years. One clean repair near the base. Mark Cross photo. Rare!
Original price was: $2,000.00.$1,400.00Current price is: $1,400.00.
In stock
Species: Baryte, Fluorite, Sphalerite
Locality: Minerva No. 1 Mine, Ozark-Mahoning group, Cave-In-Rock Mining Sub-District, Hardin County, Illinois, USA
Size: 9 x 7.5 x 4 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: Baryte, Fluorite
Locality: Xiefang Mine, Ruijin Co., Ganzhou, Jiangxi, China
Size: 40 x 32 x 12.5 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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