Bournonite on Quartz with Pyrite

Viboras Mine, Machacamarca, Cornelio Saavedra Prov., Potosi, Bolivia
Miniature, 4.8 x 4.7 x 2.7 cm
Start Time: 10/12/2023 7:00:00 pm (CDT)
End Time: 10/19/2023 6:33:00 pm (CDT)
Auction Closed
Winning Bid: $125

Item Description

We don't see nearly as many good Bournonites from Bolivia as we used to. Here we have an attractive Bournonite specimen from a find dating back to 2003 and it is one of the better miniature-sized specimens that we have offered in the auctions for a while. It features very attractive, sharp, metallic, lustrous, silvery-grey color, bladed Bournonite crystals, measuring up to 1.7 cm on edge, aesthetically sitting on a matrix composed of grey micro Quartz and sparkling metallic golden Pyrite. The piece is in excellent shape overall, and I can't find any major damage, though there are a few rough spots when you look closely. As mentioned, this specimen is from a discovery dating back 20 years at Machacamarca, and this particular pocket with the Quartz and Pyrite matrix is one of the best from this particular mine in my opinion. If you're a fan of sulfosalts, metallic minerals, or simply Bolivian material, don't miss out on this attractive display specimen of these beloved Bournonites. Valued at $1,200 in the inventory.

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Bidding History

Bid Amount Bid Time
$125 10/19/2023 6:29:30 pm (CDT)
$123 10/19/2023 6:29:30 pm (CDT)
$115 10/19/2023 6:29:04 pm (CDT)
$105 10/19/2023 6:29:04 pm (CDT)
$85 10/19/2023 6:28:57 pm (CDT)
$75 10/19/2023 6:28:57 pm (CDT)
$65 10/13/2023 11:27:09 pm (CDT)
$55 10/13/2023 11:27:09 pm (CDT)
$10 10/12/2023 7:54:37 pm (CDT)