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Is River, Isovsky District, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia Rounded elongated grains of the most dark-coloured, grey fersilicite are divided from medium-grey massive xifengite matrix by rims of the most bright, light-grey gupeiite. The grain of iron silicides from Au-PGM concentrates from Is river basin. Polished preparate in reflected light. FOV is ~0.08x0.08 mm. Collected and investigated by Mikhail ... |
| © Pavel M. Kartashov | Photo ID: 158235 View Count: 145 |
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Is River, Isovsky District, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia Gupeiite (the most bright, light-grey mineral) containing rounded elongated grains of the most dark, grey fersilicite into medium-grey massive xifengite matrix (visible at the bottom of the image). The grain of iron silicides from Au-PGM concentrates from Is river basin. Polished preparate in reflected light. FOV is ~0.1x0.08 mm. Collected and ... |
| © Pavel M. Kartashov | Photo ID: 158233 View Count: 180 |
Platinum : Pt | |
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Is River, Isovsky District, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia Field of view 15 mm. Collection M. Kampf No 97-020. |
| © 2005 M. Kampf | Photo ID: 33225 View Count: 558 |
Tetraferroplatinum : PtFe | |
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Is River, Isovsky District, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia Metalic grains of Tetraferroplatinum Size: 2 mm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 216826 View Count: 168 |
Xifengite : Fe5Si3, Gupeiite : Fe3Si, Fersilicite : FeSi | |
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Is River, Isovsky District, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia 0.3 mm complex grain of iron silicides from Au-PGM concentrates from Is river basin. The main medium bright slightly pinkish mineral is xifengite. It form the matrix, containing mixture of gupeiite (the most bright, white mineral) and fersilicite (the most dark, greyish mineral forming rounded elongated grains). Polished preparate in reflected ... |
| © Pavel M. Kartashov | Photo ID: 158232 View Count: 370 |
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