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Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

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Davidite-(Ce) : (Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38

Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

Davidite-(Ce) from Tuftan, Iveland. I got this specimen from an old colletion, as the tuftan quarry has not been worked for several years. It is about 2 cm and has some crystal surfaces. The broken part shows the black glassy tarlike luster so typical for REE minerals.
Photo ID: 169949    View Count: 226

Davidite-(Ce) : (Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38

Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

Black massive davidite-(Ce) from its type locality. Size 7×4 cm. Collection of Muzeum východních Čech v Hradci Králové (http://www.muzeumhk.cz).
 © Jakub JirásekPhoto ID: 109332    View Count: 323

Gadolinite

Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

Gadolinite crystal 12cm. Smithsonian Museum of Natural History, Washington, D.C., USA. Photographed October 11, 2008.
 © Joseph PolitykaPhoto ID: 190233    View Count: 197

Thortveitite : (Sc,Y)2[Si2O7]

Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

A 2 cm crystal of Thortevitite from Tuftan, Iveland, Aust-Agder, Norway. Specimen and photo: Knut Eldjarn.
 © Knut EldjarnPhoto ID: 55099    View Count: 421

Thortveitite : (Sc,Y)2[Si2O7], Gadolinite-(Y) : Y2Fe2+Be2[O|SiO4]2

Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

1,5 cm long thortveitite crystal in a gadolinite matrix from Tuftan, Iveland
Photo ID: 179448    View Count: 127

Thortveitite : (Sc,Y)2[Si2O7]

Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

A transparent, 12 mm prismatic crystal of thortveitite in feldspar matrix. The specimen is in the micromount collection of OT. Ljøstad.
 © OT. LjostadPhoto ID: 255381    View Count: 11
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