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Lot
87015

NATIVE COPPER CRYSTAL INSIDE OF COPPER VUG. Keweenaw Peninsula, Michigan, USA. ...

2013 June 2 Nature & Science Signature Auction, featuring The Hoppel Collection of Fine Minerals - Dallas #5110

 
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Auction Ended On: Jun 2, 2013
Item Activity: 4 Internet/mail/phone bidders Number of Bidders
2,145 page views
Location: Heritage Auctions - Design District Annex
1518 Slocum Street
Dallas, TX

Description:
Watch our video about this lot! NATIVE COPPER CRYSTAL INSIDE OF COPPER VUG
Keweenaw Peninsula, Michigan, USA

During the course of mining the enormously rich Copper lodes of the Upper Peninsula, as the locals call it, there were a number of forms of Native Copper encountered that are unique to the area. Rounded, hollow structures of metallic Copper called "skulls" (for their obvious resemblance to the other variety) are found only here. In addition, many of the mines produced actual crystals of Copper as well. What couldn't be anticipated was a hybrid that mixed those two types. As far as we know, this little wonder has no siblings: i.e. there is only one. Like a diminutive Faberge egg, the rounded exterior conceals a sharp dodecahedral Copper crystal peering out from the dark interior of the "skull." Because that crystal blocks the hollow interior of the "skull," there is a different view of the same crystal when viewed from a second "cavity" on the opposite side. The patina is the classic one acquired by Native Copper specimens that have been out of the ground for a very long time.
Overall measurements: 3 x 2 x 1.5 inches (7.6 x 6.4 x 3.8 cm). Offered at no reserve.

Provenance: ex. Keith Proctor Collection [Hoppel Catalog # D1782]


[Scale: 1 inch, with mark at 1 cm]

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