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Copper (spinel twinned) on Copper
Copper (spinel twinned) on Copper
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Copper (spinel twinned) on Copper (Ref: MISC26-13)

Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
60mm x 50mm x 20mm
$800
This is a Copper (spinel twinned) on Copper from Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China. Fascinating crystallized Copper showing multiple growth stages highlighted by the initial spinel-twinned crystals that are prominently displayed including the superb 4.1 cm trident and the slightly curved "claw" that extends out perpendicular to the piece acting as a “kickstand” allowing the Copper to self-stand.
Data last checked on 6th Sep 2026
From: The Arkenstone
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See Also

Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$800
60mm x 60mm x 10mm
From: The Arkenstone
Copper (spinel twinned) on Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$800
40mm x 30mm x 10mm
From: The Arkenstone
Copper (spinel twinned) on Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$750
60mm x 30mm x 10mm
From: The Arkenstone
Copper on Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$750
50mm x 30mm x 10mm
From: The Arkenstone
Copper (spinel twinned) on Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$950
60mm x 50mm x 10mm
From: The Arkenstone
Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$450
40mm x 30mm x 10mm
From: The Arkenstone
Copper (spinel twinned) on Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$1250
50mm x 50mm
From: The Arkenstone
Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$1500
90mm x 50mm x 20mm
From: The Arkenstone
Copper
Chengmenshan Mine, Jiujiang, Jiangxi, China
$1250
80mm x 60mm x 10mm
From: The Arkenstone
Copper (spinel twinned) on Copper
Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China
$2450
60mm x 50mm x 10mm
From: The Arkenstone
Copper (spinel-twinned)
Chino Mine, Santa Rita, Grant Co., New Mexico, USA
$950
40mm x 10mm x 10mm
From: The Arkenstone
Copper
Houghton Co., Michigan, USA
$760
20mm x 10mm x 10mm
From: The Arkenstone
Copper
Poteryaevskoe Mine, Rubtsovsk, Altai, Western-Siberian Region, Russia
$750
50mm x 20mm x 20mm
From: The Arkenstone
Copper
Poteryaevskoe Mine, Rubtsovsk, Altai, Western-Siberian Region, Russia
$900
60mm x 30mm x 10mm
From: The Arkenstone
Copper (spinel-twinned)
Wolverine Mine, Kearsarge Lode, Houghton County, Michigan, USA
$950
70mm x 10mm x 10mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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