Datolite nodule w/ Copper inclusions (Nowakowski Coll.)

Flintsteel Mine, Mass City, Ontonagon Co., Michigan, USA
Small Cabinet, 9.6 x 7.4 x 2.3 cm
Start Time: 10/06/2022 7:00:00 pm (CDT)
End Time: 10/13/2022 6:40:00 pm (CDT)
Auction Closed
Winning Bid: $147
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Item Description

The long abandoned Flint Mine (Nassau Mine) underground and open pit copper mine is well-known for excellent datolite, copper and silver specimens (MINDAT). This superb pollshed nodule half has bright porcelaneous luster and is beautifully, richly accented with pastel-pink micro copper inclusions. Choice and outstanding copper-included datolite from the Robert Nowakowski Collection no. 288. Valued at $1000. A large piece of high quality for this rare, prized lapidary material!

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Bidding History

Bid Amount Bid Time
$147 10/13/2022 6:30:03 pm (CDT)
$137 10/13/2022 6:29:52 pm (CDT)
$135 10/13/2022 6:29:52 pm (CDT)
$125 10/13/2022 6:29:44 pm (CDT)
$115 10/13/2022 6:29:44 pm (CDT)
$105 10/13/2022 6:29:36 pm (CDT)
$95 10/13/2022 6:29:35 pm (CDT)
$85 10/13/2022 5:26:58 pm (CDT)
$75 10/13/2022 1:40:44 pm (CDT)
$73 10/13/2022 1:40:44 pm (CDT)
$63 10/12/2022 10:52:39 pm (CDT)
$53 10/12/2022 10:52:39 pm (CDT)
$50 10/10/2022 4:51:22 pm (CDT)
$45 10/10/2022 4:51:22 pm (CDT)
$38 10/08/2022 4:16:10 am (CDT)
$33 10/07/2022 10:57:16 pm (CDT)
$30 10/07/2022 10:57:15 pm (CDT)
$15 10/07/2022 10:09:00 pm (CDT)
$10 10/06/2022 10:01:48 pm (CDT)