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Copper -superb spinel twins
Copper -superb spinel twins Copper -superb spinel twins Copper -superb spinel twins
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Copper -superb spinel twins (Ref: 14.1-407)

Central Mine, Keweenaw Co., Michigan, United States
74mm x 41mm x 34mm
minID: NR6-NFA
Simply fantastic, a very well crystallized Copper with sculptural form much like a tree or cactus. The most prominent twin crystal at the top is 3.1 CM tall and the whole is very esthetic. From the Central mine of Michigan, this classic site produced many excellent spinel twins in its working life. This is well above the quality of "typical" pieces which are now uncommon. A fine USA classic copper that would be desirable from anyplace, a super example of the fames Upper Peninsula copper country. The piece displays great from almost any angle.
From: Well-Arranged Molecules
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See Also

Copper ( spinel twin )
Ray Mine, Ray District, near Kearney, Dripping Springs Mts., Pinal County, Arizona, USA
$320
34mm x 21mm x 16mm
From: Bob Griffis Minerals
Spinel Twin Native Copper
Dzhezkazgan mining district, Karaganda region, Kazakhstan.
$400
From: Arkfeld Minerals
Spinel Twin Native Copper
Dzhezkazgan mining district, Karaganda region, Kazakhstan.
$400
From: Arkfeld Minerals
Copper ( spinel twin )
Ray Mine, Ray District, near Kearney, Dripping Springs Mts., Pinal County, Arizona, USA
$100
35mm x 26mm x 15mm
From: Bob Griffis Minerals
Cuprite on Copper
Ray Mine | Scott Mountain | Pinal Co. | Arizona | USA
$1283 *
70mm x 60mm x 41mm
From: Wendel Minerals
Copper (Spinel-Twinned)
Chino Mine (Santa Rita Pit; Santa Rita Mine), Santa Rita, Grant Co., New Mexico, USA
$1250
70mm x 10mm x 10mm
From: The Arkenstone
Copper with Quartz and Malachite
Wheatley Mine, Schuylkill Township, Chester Co., Pennsylvania, USA
$1250
70mm x 60mm x 20mm
From: The Arkenstone
Copper (twin)
Itauz Mine, Dzhezkazgan, Kazakhstan
$1200
60mm x 20mm
From: The Arkenstone
Copper
Emke Mine, Onganja, Seeis, Namibia
$1200
70mm x 50mm x 45mm
From: Marin Minerals
Copper
Quincy Mine, Houghton Co., Michigan, USA
$1500
70mm x 70mm x 45mm
From: Marin Minerals
Copper
Chengmenshan Mine, Jiujiang, Jiangxi, China
$1250
80mm x 60mm x 10mm
From: The Arkenstone
Native copper
Le Burg Mine, Tarn, France.
$1355 *
115mm x 80mm x 70mm
From: A Bijoux
Copper (spinel-twinned)
Wolverine Mine, Kearsarge Lode, Houghton County, Michigan, USA
$950
70mm x 10mm x 10mm
From: The Arkenstone
Copper ps. Azurite
Rose Mine, Grant Co., New Mexico, USA
$1450
30mm x 20mm x 10mm
From: The Arkenstone
Copper with Dioptase and Calcite
Christmas Mine, Gila Co. Arizona, USA
$1500
90mm x 60mm x 30mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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