Arsenopyrite with Calcite

Noche Buena Mine, Zacatecas, Mexico
Ex. Kurt Hefendehl
Cabinet, 13.8 x 11.6 x 4.7 cm
Start Time: 08/31/2023 7:00:00 pm (CDT)
End Time: 09/07/2023 6:33:00 pm (CDT)
Auction Closed
Winning Bid: $176
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Item Description

A notable and rich plate of sharp, intergrown, metallic, steel-gray Arsenopyrite crystals from the old Noche Buena Mine, Zacatecas, Mexico. We believe this is an old piece that has a graceful patina resulting in some of the crystals having a more golden brassy metallic luster with some iridescence to them. The Arsenopyrite crystals, up to 1.4 cm in size, are further enhanced by preferential stepped growth or striations on one face. The display is accented by a few secondary clear Quartz needles and a late growth of contrasting white translucent scalenohedron Calcites with crystals up to 1.6 cm and good pale orange fluorescence. The piece is in great condition. There are a few nicks and some acceptable periphery edge wear. Good display quality specimens of Arsenopyrite from this mine are extremely hard to find on the market. Ex. Kurt Hefendehl.

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Bidding History

Bid Amount Bid Time
$176 09/07/2023 6:27:50 pm (CDT)
$166 09/07/2023 6:27:49 pm (CDT)
$115 09/07/2023 5:59:18 pm (CDT)
$105 09/07/2023 5:54:51 pm (CDT)
$95 * 09/06/2023 9:41:06 pm (CDT)
$95 * 09/06/2023 9:41:06 pm (CDT)
$85 09/06/2023 9:40:08 pm (CDT)
$75 09/06/2023 9:40:08 pm (CDT)
$60 09/05/2023 11:37:06 pm (CDT)
$50 09/05/2023 11:37:05 pm (CDT)
$38 09/02/2023 7:32:27 pm (CDT)
$33 09/02/2023 7:32:27 pm (CDT)
$20 09/02/2023 1:58:32 am (CDT)
$15 09/02/2023 1:58:32 am (CDT)
$10 08/31/2023 11:31:10 pm (CDT)
* Proxy Bid Battle: In the event of two customers inputting matching proxy bids, the leading bid goes to the earliest of the two proxy bids. Tie winners are shown in bold.