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β-Fergusonite-(Y) : YNbO4 | |
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Karasugawa, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan 0.25 crystal sections in quartz. Excalibur Mineral specimen. |
| © 2008, J. Weissman | Photo ID: 149199 View Count: 85 |
β-Fergusonite-(Y) : YNbO4 | |
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Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia Brown agregate of tabular fergusonite-beta-(Y) crystals associated with orange zircon, black ferriallanite-(Ce) and quartz into apoeudialyte pseudomorphose. FOV 10x8 mm. Note special nontetragonal and nonbipyramidal morphology of xls and theyr "dry" lustre so characteristic for nonmetamict niobates. X-ray identification of not heated specimen. ... |
| © Pavel M. Kartashov | Photo ID: 72306 View Count: 324 |
β-Fergusonite-(Y) : YNbO4 | |
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Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia Parallel agregates of brown tabular fergusonite-beta-(Y) crystals associating with black ferriallanite-(Ce) and orange zircon into apoeudyalite pseudomorphose. FOV 4x3 mm. Note special nontetragonal and nonbipyramidal morphology of xls and theyr "dry" lustre so characteristic for nonmetamict niobates. X-ray identification of not heated specimen. ... |
| © Pavel M. Kartashov | Photo ID: 72307 View Count: 294 |
β-Fergusonite-(Y) : YNbO4 | |
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Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA M.P. 164 area. Tan, twinned? 0.8 mm long crystal. Robert Meyer specimen and photo. |
| © 2004 ROM | Photo ID: 14960 View Count: 499 |
β-Fergusonite-(Y) : YNbO4, Bastnäsite-(Ce) : (Ce,La)[F|CO3] | |
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Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA M.P. 164 area. Tan crystals to 1.0 mm on an orange-brown crystal of Bastnäsite/Synchysite-(Ce). Robert Meyer specimen and photo. |
| © 2004 ROM | Photo ID: 14961 View Count: 419 |
β-Fergusonite-(Y) : YNbO4 | |
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Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA Calciohilairite Boulder # 2, Liberty Bell Mountain talus slope. A brown steeply pyramidal crystal that is 0.8 mm in length. Robert Meyer specimen and photo. |
| © 2004 ROM | Photo ID: 14795 View Count: 413 |
β-Fergusonite-(Y) : YNbO4 | |
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Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA Picture width 3 mm. Collected by and aquired from Saul Krotki. SEM analyzed. Collection and photograph Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 44903 View Count: 395 |
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Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA FOV 2,5 mm. Collection and photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 261276 View Count: 25 |
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