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Aurichalcite (ex Kay Robertson Collection)
- 79 Mine, Chilito, Hayden area, Banner Mining District, Dripping Spring Mountains, Gila County, Arizona
- Toenail, 3.3 x 2.7 x 2.2 cm
- Start Time: 04/30/2020 8:45:00 pm (CDT)
- End Time: 05/07/2020 6:45:00 pm (CDT)
- Auction Closed
- Winning Bid: $55
Item Description
This is a lovely classic specimen from the famous 79 Mine featuring brilliant turquoise blue colored "needles" and "tuft"-like groups of Aurichalcite with minor silvery-white Hemimorphite on matrix. I love the intensity of the color in the Aurchalcite. A beautiful example of this well-known and now hard to find material from this fantastic locality that lasted from 1879 to 1992. Ex Kay Robertson Collection (#6616). Kay was a prominent California collector, who specialized in European classics. She nearly lived 100 years from April 1920 - March 2020. See the article in the March-April, 2007 Mineralogical Record ( https://www.mineralogicalrecord.com/pdfs/Kay%20Robertson%20Collection.pdf ), and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017.
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Bidding History
| Bid Amount | Bid Time |
|---|---|
| $55 | 05/07/2020 5:10:46 pm (CDT) |
| $53 | 05/07/2020 5:10:45 pm (CDT) |
| $45 | 05/07/2020 2:56:11 pm (CDT) |
| $40 | 05/07/2020 2:55:56 pm (CDT) |
| $40 | 05/07/2020 2:56:11 pm (CDT) |
| $35 | 05/07/2020 2:55:55 pm (CDT) |
| $30 | 05/07/2020 8:45:57 am (CDT) |
| $25 | 05/07/2020 8:45:56 am (CDT) |
| $20 | 05/04/2020 11:46:40 am (CDT) |
| $15 | 05/04/2020 11:46:39 am (CDT) |
| $10 | 05/03/2020 12:54:33 pm (CDT) |