Azurite with Malachite pseudomorphs after Cuprite (historic material)

Chessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France (Type Locality for Azurite)
Cabinet, 9.8 x 8.3 x 7.7 cm
Start Time: 12/01/2022 7:00:00 pm (CST)
End Time: 12/08/2022 7:10:00 pm (CST)
Auction Closed
Winning Bid: $707

Item Description

A fantastic cabinet sized historic specimen from one of the most classic localities in all of Europe, which just happens to be the TYPE LOCALITY for Azurite ! This robust piece is a classic layered semi-"rosette"-shaped group of featuring dozens of dark blue bladed crystals of Azurite measuring up to about 8 mm, which play host to attractive and notably sharp / well-formed little pseudomorphs of attractive green Malachite replacing preexisting crystals of Cuprite. The pseudomorphs measure up to about 4 mm, and with a loupe I can see they vary in habit from octahedrons to dodecahedrons. I don't know if there is another locality quite like Chessy where you have a secondary copper mineral (Azurite), which acts essentially as the matrix for another secondary copper minerals (Malachite) to form pseudomorphs after yet a THIRD secondary copper mineral (Cuprite). This is a very good quality specimen considering the age of the piece, and it is very difficult for collectors to obtain fine quality specimens of this material today especially in this size. This specimen was mined circa mid 1800s. A great specimen for any collector, a collector of European classics, or anyone who appreciates secondary ore minerals. Priced at $2,200.

Did You Know We Offer Custom Bases?

Learn More

Bidding History

Bid Amount Bid Time
$707 12/08/2022 7:04:55 pm (CST)
$682 12/08/2022 7:04:55 pm (CST)
$655 12/08/2022 6:57:36 pm (CST)
$630 12/08/2022 6:57:36 pm (CST)
$605 12/08/2022 6:53:02 pm (CST)
$580 12/08/2022 6:53:01 pm (CST)
$555 12/08/2022 6:47:21 pm (CST)
$530 12/08/2022 6:46:28 pm (CST)
$505 12/08/2022 6:44:33 pm (CST)
$495 12/08/2022 6:43:08 pm (CST)
$485 12/08/2022 6:37:53 pm (CST)
$475 12/08/2022 6:36:29 pm (CST)
$467 12/08/2022 6:36:29 pm (CST)
$465 12/08/2022 6:34:18 pm (CST)
$455 12/08/2022 6:34:18 pm (CST)
$435 12/08/2022 6:29:32 pm (CST)
$425 12/08/2022 6:29:31 pm (CST)
$409 12/08/2022 3:56:02 pm (CST)
$399 12/08/2022 3:56:02 pm (CST)
$389 12/08/2022 12:04:52 pm (CST)
$379 12/08/2022 12:04:51 pm (CST)
$325 12/08/2022 5:47:59 am (CST)
$315 12/08/2022 5:47:58 am (CST)
$299 12/05/2022 1:24:36 am (CST)
$289 12/05/2022 1:24:36 am (CST)
$279 12/05/2022 1:24:19 am (CST)
$269 12/05/2022 1:24:19 am (CST)
$259 12/04/2022 3:47:39 pm (CST)
$249 12/03/2022 12:07:51 pm (CST)