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Bauranoite : Ba(UO2)2(OH)6 · 1-2H2O | |
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Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Orange bauranoite. Picture size 6 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8239 View Count: 969 |
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Oktyabr'skoe Mo-U Deposit, Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Inclusion of metallic grain of galena into dark coloured orange-brown glassy masses of bauranoite pseudomorphoses after pitchblende in felsite matrix. More bright yellowish-orange earthy masses are dehydrated portions of bauranoite. Specimen size is 2.5x1.5x0.8 cm. Collected by Larisa N. Belova. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 192018 View Count: 103 |
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Oktyabr'skoe Mo-U Deposit, Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Dark coloured orange-brown glassy masses of bauranoite pseudomorphoses after pitchblende in felsite matrix. More bright orange earthy masses are dehydrated portions of bauranoite. Specimen size is 4.5x4x1 cm. Collected by Larisa N. Belova. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 192016 View Count: 95 |
Calciouranoite : (Ca,Ba,Pb)U2O7·5H2O, Metacalciouranoite : (Ca,Ba,Pb,K2)U2O7·2H2O | |
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Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia The largest which I somewhen seen compact masse of calciouranoite. Its composition is (Ca.81Ba.10Pb.09)1.00U2.00O7*5H2O. More bright yellow crust is metacalciouranoite. Specimen size is 5x4x2 cm and its radioactivity is 7300 μR/h. Collected by Larisa N. Belova in 70th in Tulukui quarry. Pavel M. Kartashov analysis, collection and photo. |
| © Pavel M. Kartashov | Photo ID: 72637 View Count: 553 |
Ilsemannite : Mo3O8·nH2O | |
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Tulukuevskoe U deposit (Tulukui quarry), Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Dark blue slightly wet (penetrated with sulphuric acid solution) new formed rich ilsemannite masses on calcite matrix. Specimen size 8x4x2.5 cm. Ilsemannite in this locality slowly transform to powellite (very interesting variety with UO2 content up to 15%). Collected in 2002 on middle levels of Tulukui quarry. Pavel M. Kartashov collection and ... |
| © Pavel M. Kartashov | Photo ID: 72638 View Count: 372 |
Ilsemannite : Mo3O8·nH2O, Uranophane : Ca(UO2)2[HSiO4]2 · 5H2O | |
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Oktyabr'skoe Mo-U Deposit, Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Photo of a mine wall. Metre-size blue Ilsemannite spot on the wall of adit. In exactly this ilsemannite crust Tengchongite microinclusions were determined. Yellow spots are mainly composed by Uranophane and partially by Natrozippeite. Every marked part of the surveyor's rod show 10 cm. Photo of Aleksei P. Aleshin. |
| © Aleksei P. Aleshin | Photo ID: 72944 View Count: 364 |
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Oktyabr'skoe Mo-U Deposit, Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Bright-yellow masses of metacalciouranoite pseudomorphoses after dehydrated and recrystallised calciouranoite in felsite matrix. Specimen size is 1.5x1x0.7 cm. Collected by Larisa N. Belova. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 192020 View Count: 146 |
Metacalciouranoite : (Ca,Ba,Pb,K2)U2O7·2H2O | |
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Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Bright yellow crust of metacalciouranoite as alteration product of orange calciouranoite with composition (Ca.81Ba.10Pb.09)1.00U2.00O7*5H2O.. FOV 1.5x1.5 cm. Collected by L.N. Belova in 70th in Tulukui quarry. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 72731 View Count: 418 |
Metauranospinite : Ca(UO2)2[AsO4]2 · 8H2O | |
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Oktyabr'skoe Mo-U Deposit, Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Translucent somewhat platy crusts. S382-01 0.25 cm field of view, horizontal. Excalibur Mineral Company specimen. |
| © 2008, JGW | Photo ID: 144909 View Count: 177 |
Natrozippeite : Na4(UO2)6[(OH)10|(SO4)3] · 4H2O | |
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Oktyabr'skoe Mo-U Deposit, Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Sulfur-yellow crystalline crust of new-formed sodium-zippeite. It was form about 4 years ago during mine waters drying on the specimen of rich pitchblende ore. Composition of the mineral is confirmed by microprobe. FOV is ~6x4.5 mm. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 115419 View Count: 157 |
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