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Malachite ps. Azurite with Bayldonite and Arsentsumebite (ex Kay Robertson Collection)
- Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
- Miniature, 5.0 x 3.1 x 2.9 cm
- Start Time: 09/29/2022 7:00:00 pm (CDT)
- End Time: 10/06/2022 6:40:00 pm (CDT)
- Auction Closed
- Winning Bid: $114
Item Description
A classic of Tsumeb and of replacement minerals (pseudomorphs), this specimen is a well trimmed miniature that features a sharp, velvety, green "sword"-shaped crystal Malachite replacing Azurite. This is then associated with olive green Bayldonite and medium green color Arsentsumebite on matrix from Tsumeb, indicating this is an older specimen, probably from the early 1900s era. Ex Kay Robertson Collection (#8197). Kay was a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record). A beautiful and attractive old-timer from this famous locale.
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Bidding History
| Bid Amount | Bid Time |
|---|---|
| $114 | 10/06/2022 6:34:57 pm (CDT) |
| $104 | 10/06/2022 6:34:17 pm (CDT) |
| $94 * | 10/06/2022 6:28:11 pm (CDT) |
| $94 * | 10/06/2022 6:28:11 pm (CDT) |
| $84 | 10/06/2022 5:28:10 pm (CDT) |
| $74 | 10/06/2022 11:35:44 am (CDT) |
| $64 | 10/05/2022 8:14:20 pm (CDT) |
| $54 | 10/05/2022 8:14:09 pm (CDT) |
| $51 | 10/05/2022 8:14:09 pm (CDT) |
| $35 | 10/05/2022 8:14:00 pm (CDT) |
| $30 | 10/05/2022 8:14:00 pm (CDT) |
| $10 | 09/30/2022 7:14:30 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.