Groutite on Petrified Wood (old find)

Blackwater Mine, Apache Co., Arizona, USA
Ex. Ed Loye
Miniature, 5.3 x 3.1 x 2.8 cm
Start Time: 01/16/2025 7:00:00 pm (CST)
End Time: 01/23/2025 6:30:00 pm (CST)
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Current Bid: $30
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Item Description

Unusual 1975 find of lustrous metallic needles of Groutite on white and orange-red silicified Chinle Formation Petrified wood. Groutite is a rare manganese oxide that is seen here as single "micro-sword" crystals, up to 3.5 cm in length, laying flat and standing vertically off the Petrified wood. There is coverage on both the top display face as well as the reverse side that has a more traditional bark appearance. A definite rarity for not only the Groutite specimen but also for the unusual combination of it crystallizing off of colorful Petrified wood. Donated by Edward Loye to the MINDAT auction.

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Bidding History

Bid Amount Bid Time
$30 01/17/2025 12:12:07 pm (CST)
$25 01/17/2025 12:12:07 pm (CST)
$10 01/17/2025 10:53:11 am (CST)