Copper with Silver

Houghton County Copper Mines, Michigan, USA
Small Cabinet, 8.8 x 6.8 x 3.9 cm, 238 g
Start Time: 01/16/2025 7:00:00 pm (CST)
End Time: 01/23/2025 6:30:00 pm (CST)
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Current Bid: $45
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Item Description

Impressive old Michigan Copper with a great patina with contrasting pale green matrix partially covering some of the surface BUT the feature is the sharp silver crystal on one tip!!! The main Silver crystals measures 1.4 cm. The largest Copper crystal is 1.2 cm across on the lower left of the specimen. A very sculptural Copper with Silver specimen that is self standing with natural Copper "feet" at the base. Mass is 238 grams. Donated by Donald Olson to the MINDAT auction.

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Bidding History

Bid Amount Bid Time
$45 01/17/2025 1:13:44 pm (CST)
$40 01/17/2025 1:13:44 pm (CST)
$10 01/17/2025 10:08:45 am (CST)