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Haiweeite (fl) on Gypsum
- Teofilo Otoni, Mucuri valley, Minas Gerais, Brazil
- Small Cabinet, 5.5 x 4.6 x 4.4 cm
- Start Time: 02/18/2016 6:45:00 pm (CST)
- End Time: 02/26/2016 6:31:55 pm (CST)
- Auction Closed
Item Description
Haiweeite, a very rare, hydrated, calcium uranium silicate, is one of the more attractive of the non-African suite of radioactives containing uranium, and remains a rarity known in good crystals from but a few localities. Extremely colorful and rarely ever seen in dealer stocks, these colorful, radial balls are 1-2 mm across, and they rest on gemmy, clear Gypsum crystals. While most are dense, solid sprays, there is at least one ball of Haiweeite that is hollow, which I find both amazing and attractive. Overall, this is an engaging, high-quality combination piece from this locality, which has produced best of species so far as I know. Carlos Barbosa brought most of them out in the late 1990s and only rarely does a good piece turn up on the market nowadays. Originally priced at $350, it was formerly in the collection of Carol & Bill Smith.
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