Spinel (fine crystal) on marble

Mahenge, Morogoro Region, Tanzania
Thumbnail, 2.7 x 1.7 x 1.5 cm
Start Time: 03/31/2022 9:00:00 pm (CDT)
End Time: 04/07/2022 7:15:00 pm (CDT)
Auction Closed
Winning Bid: $385

Item Description

The Spinel crystals from Mahenge are among the best examples of the species to be found in the last 20+ years in terms of size, color and quality. Many people are familiar with the pink to red Spinels from Mogok in Myanmar, and while both localities feature crystals with that saturated rose hue, they are rarely found on matrix like they are at Mahenge. This thumbnail sized piece was found in 2010 and features a fine quality, sharp, well-formed, euhedral octahedral crystal of strong pinkish-purple colored Spinel measuring 1.5 sitting on grey-white marble matrix. The piece displays well from several angles. The crystal is gemmy when backlit, but they has the added bonus of displaying a slightly "silky" quality, similar to the silk that one would see in a Ruby or Sapphire crystal. This ethereal "smokiness" inside the crystals combined with the excellent color and size makes it some of the better quality matrix crystals of Spinel that we've had to offer in the auctions. No significant damage that I can see with the naked eye, but there are some tiny areas of interrupted growth where the Spinel crystals grew up against the marble, or were detached from the host rock when the piece was removed from the pocket. For a final touch, the Spinel shows an intense cherry-red fluorescence under UV light.

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Bidding History

Bid Amount Bid Time
$385 04/07/2022 7:08:16 pm (CDT)
$375 04/07/2022 7:08:14 pm (CDT)
$365 04/07/2022 7:01:19 pm (CDT)
$355 04/07/2022 7:01:19 pm (CDT)
$335 04/07/2022 7:01:01 pm (CDT)
$325 04/07/2022 7:01:01 pm (CDT)
$300 04/07/2022 6:55:18 pm (CDT)
$290 04/07/2022 6:55:18 pm (CDT)
$286 04/07/2022 6:54:44 pm (CDT)
$276 04/07/2022 6:54:44 pm (CDT)
$260 04/07/2022 6:46:41 pm (CDT)
$250 04/07/2022 6:46:41 pm (CDT)
$236 04/07/2022 6:46:26 pm (CDT)
$226 04/07/2022 6:46:26 pm (CDT)
$216 04/07/2022 6:46:06 pm (CDT)
$206 04/07/2022 6:45:45 pm (CDT)
$201 04/07/2022 6:45:45 pm (CDT)
$179 04/07/2022 6:43:50 pm (CDT)
$169 04/07/2022 6:43:48 pm (CDT)
$159 04/07/2022 6:31:28 pm (CDT)
$149 04/07/2022 6:31:19 pm (CDT)
$140 04/07/2022 6:31:19 pm (CDT)
$130 04/07/2022 6:30:05 pm (CDT)
$120 04/07/2022 6:25:42 pm (CDT)
$110 04/07/2022 3:13:03 pm (CDT)
$100 04/07/2022 3:10:48 pm (CDT)
$90 04/07/2022 3:10:48 pm (CDT)
$76 04/07/2022 3:05:47 pm (CDT)
$66 04/04/2022 10:54:22 am (CDT)
$56 04/03/2022 4:04:43 pm (CDT)
$55 04/03/2022 4:04:43 pm (CDT)
$40 03/31/2022 10:30:36 pm (CDT)
$35 03/31/2022 10:12:55 pm (CDT)
$33 03/31/2022 10:12:55 pm (CDT)
$30 03/31/2022 10:12:47 pm (CDT)
$25 03/31/2022 10:12:47 pm (CDT)
$20 03/31/2022 10:12:29 pm (CDT)
$15 03/31/2022 10:12:29 pm (CDT)
$10 03/31/2022 9:44:52 pm (CDT)