$375Median
425Sold (12 mo)
$490Last sale
Copper from Quincy Mine, Michigan, USA
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Quincy mine in Houghton Co., Michigan, USA is justifiably famous for some of the world's finest crystals of Native Copper, but it has also produced some really oddities too, including pseudomorphs of Native Copper after Laumontite. This good sized miniature specimen features some really sharp monoclinic Native Copper crystals showing perfectly the form of Laumontite which is long gone, and reaching 8 mm in length. This type of pseudomorph is exceptionally rare from anywhere, let alone at Quincy mine. This is a rare opportunity to acquire a Michigan classic. Ex David Hardman collection.
Product details
SpeciesCopperLaumontite
SizeSmall Cabinet
Dimensions5.8 x 5.2 x 3.3 cm
Added on07/09/2025
LocalityUSA, Michigan, Quincy Mine
Current owner
Unknown Owner
- Acquired
- Mar 2026
- Price paid
- $400.00
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Crystal Classics | Not disclosed |
Learn more
Mineral guide
Learn about Copper
native copper with spinel-twinned crystals and arborescences; notable from Lake Superior, Itauz, Dongchuan, Corocoro, prized for color and localities.Regional guide
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