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Duttonite : VO(OH)2, Bariandite : Al3[(V5+,V4+)4O10]10 · 45H2O |
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Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon
Brown massive duttonite with resinous nearly black bariandite, the yellow is unidentified. S037-28
0.4 cm specimen, courtesy of Excalibur Mineral Company. |
| © 2007, JGW | Photo ID: 140616 View Count: 315 |
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Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon
4.3 x 1.7 x 1.0 cm. Duttonite is a very rare vanadium hydroxide. Ex. Rice Northwest Museum and A.L. McGuiness Collections.
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| © Rob Lavinsky | Photo ID: 177936 View Count: 126 |