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Tungstite : WO3·H2O, Ferberite : FeWO4 | |
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Pongo, Murillo Province, La Paz Department, Bolivia 2.1 x 2.1 x 0.7 cm. This is a rich thumber of rare olive-green tungstite, intermixed with quartz here. Ex. Carl Davis Collection. |
| © Rob Lavinsky | Photo ID: 118352 View Count: 118 |
Tungstite : WO3·H2O | |
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San Antonio de Calacalani mine, Cercado Province, Oruro Department, Bolivia Yellow tungstite. Picture size 5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 9381 View Count: 835 |
Tungstite : WO3·H2O | |
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San Antonio de Calacalani mine, Cercado Province, Oruro Department, Bolivia Harvard Mineralogical Museum specimen no. 91658. Label is about 5.5 cm across. P. Cristofono photo. |
| © 2007 Peter Cristofono | Photo ID: 94929 View Count: 213 |
Tungstite : WO3·H2O | |
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San Antonio de Calacalani mine, Cercado Province, Oruro Department, Bolivia Yellow crystalline masses. Was labeled as 'hydrotungstite', which is greenish, but will dehydrate to the yellow tungstite seen here unless specimen is kept in a humid environment. S121-06 1.2 cm field of view. Specimen courtesy of Excalibur Mineral Company. |
| © 2008, JGW | Photo ID: 143483 View Count: 165 |
Tungstite : WO3·H2O | |
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San Antonio de Calacalani mine, Cercado Province, Oruro Department, Bolivia 12.7 x 9.7 x 3.3 cm. A rich, showy, very fine specimen of this rare tungsten oxide hydroxide. Ex. Philadelphia Academy of Sciences Collection. |
| © Rob Lavinsky | Photo ID: 199874 View Count: 101 |
Tungstite : WO3·H2O, Stolzite : Pb[WO4] | |
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Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Yellow tungstite ochres pseudomorph after Pb-bearing (up to 12 wt.% PbO) wolframite. Associating mineral is grey crystaline stolzite with strong lustre. FOV is 12x10 mm. Collected by Lidia P. Ermilova in the end of 50th on pit #3 of the locality. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 134223 View Count: 152 |
Tungstite : WO3·H2O, Stolzite : Pb[WO4] | |
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Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan Yellow tungstite ochres pseudomorph after Pb-bearing (up to 12 wt.% PbO) wolframite. Associating mineral is grey to lemon-yellow crystaline stolzite with strong lustre and dark-coloured relicts of the former wolframite. Cleavage system of the initial wolframite crystal is well visible. FOV is 12x10 mm. Collected by Lidia P. Ermilova in the end of ... |
| © Pavel M. Kartashov | Photo ID: 134224 View Count: 131 |
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