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Bassetite from the type locality, Wheal Basset, Carnkie, Cornwall, England, Great Britain. |
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Francevilleite crystals from Mounana (Franceville), Ogooue, Gabon. A gift by David Wilber to Los Angeles County Museum of Natural History. |
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Old piece of Torbernite crystals from Gunnislake (Cornwall, England). 'Crystal Classics' and 'Kristalle' specimen ex Rolf Wein Collection, Stuttgart. |
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I traded this with a friend years ago - it is a huge chunk of pegmatite, with plenty Uraninite crystals growing in/on a blade of Biotite (sorry, Phlogopite, I mean Annite, ... say black mica!) from Gislaved in Sweden. The Uraninite invariably grows on black mica blades, later overgrown by the feldspar of the pegmatite. |
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