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Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway Aeschynite-Y to 1,5 cm showing typical mineral association. The crystal appears perpendicular to the cleavage plane of biotite mica, growing into the surrounding microcline. |
| Photo ID: 151137 View Count: 341 | |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway Blackish brown aeschynite-(Y) crystal. (1.2 x 0.8 cm) |
| © Van King | Photo ID: 234908 View Count: 47 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway 2,5 cm aescynite-(Y) crystal showing typical appearance. Found in the Slobrekka mine dump. |
| © Olav Revheim | Photo ID: 23535 View Count: 660 |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway 2 ea perfectly terminated Aescynite-Y crystals from Slobrekka Iveland. The crystals are each 2.5 cm long. Aeschynite-Y noprmally occurs together with biotite mica in feldspar. |
| © Olav Revheim | Photo ID: 22144 View Count: 875 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway A platy 1,5 cm crystal of Aeschynite-Y typically located between Microcline and large plates of Biotite. From Slobrekka, Frigstad, Iveland, Aust-Agder, Norway. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 55097 View Count: 442 |
Aeschynite-(Y) : (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway A perfect 1,5 cm crystal of Aeschynite-Y from Slobrekka, Frigstad, Iveland, Aust-Agder, Norway. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 55096 View Count: 375 |
Albite-Anorthite Series | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway Detail of plagioclase cleavage plane with adularescence. Field of view approx. 4 cm. |
| © Olav Revheim | Photo ID: 188802 View Count: 338 |
Allanite-(Ce) : {CaCe}{Al2Fe2+}[O|OH|SiO4|Si2O7] | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway 20 cm long crystals of Allanite-Ce from the Slobrekka quarry. The crystals sits in a feldspar matrix. Allanite-Ce are frequently altered to Ancylite-Ce at this locality |
| © Olav Revheim | Photo ID: 21272 View Count: 613 |
Allanite-(Ce) : {CaCe}{Al2Fe2+}[O|OH|SiO4|Si2O7] | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway 10 cm tall crystal spray of allanite-Ce in feldspar. |
| © Olav Revheim | Photo ID: 188804 View Count: 214 |
Biotite | |
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Slobrekka (Frikstad 7) pegmatite, Frikstad (Frigstad), Iveland, Aust-Agder, Norway 1,5 cm biotite crystal |
| © Olav Revheim | Photo ID: 188813 View Count: 289 |
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