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Ceriopyrochlore-(Ce) : (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) | |
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Alpe Rosso, Orcesco, Druogno, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy 0.5mm crystals in white marble. |
| © Maurice de Graaf | Photo ID: 18357 View Count: 586 |
Ceriopyrochlore-(Ce) : (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) | |
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Khaldzan Buragtag massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia dimension area mm. 2 x 2 The ceriopyrochlore-(Ce) is the yellow mineral photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 222806 View Count: 39 |
Ceriopyrochlore-(Ce) : (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F), Zircon : Zr[SiO4] | |
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Katugin Ta-Nb deposit (Katuginskoye deposit), Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Boundary of dark-brown granular agregate of compact ceriopyrochlore-(Ce) with fine-granular agregate of more light-brown zircon. FOV is 8x5 cm. Collected by Nikolay Frishman in 80th. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 197519 View Count: 178 |
Ceriopyrochlore-(Ce) : (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) | |
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Katugin Ta-Nb deposit (Katuginskoye deposit), Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Brown granular agregate of compact ceriopyrochlore-(Ce) divided from silicate rock by 5-15 mm crust of zircon. Specimen size is 7.5x5x3.5 cm and its radioactivity is 800 μR/h. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 72901 View Count: 247 |
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Katugin Ta-Nb deposit (Katuginskoye deposit), Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Dark-brown granular agregate of compact ceriopyrochlore-(Ce) surrounded and divided from silicate rock by fine-granular crust of brown zircon. This metasomatic zircon layer contain relicts of large pinkish microcline crystals. Specimen size is 8x6.5x3 cm and its radioactivity from this side is 585 μR/h. Collected by Nikolay Frishman in 80th. ... |
| © Pavel M. Kartashov | Photo ID: 197513 View Count: 69 |
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