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Gadolinite-(Ce) from
Buer, Bjørkedalen, Porsgrunn, Telemark, Norway

Classification
Species:Gadolinite-(Ce)
Formula:(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Chemical Analyses:
Oxide wt%:
1
SiO222.99 %
BeO8.83 %
Al2O30.02 %
B2O30.55 %
TiO20.25 %
FeO10.65 %
MnO1.89 %
MgO0.33 %
CaO2.15 %
Na2O0.11 %
K2O0.52 %
Y2O314.82 %
La2O39.07 %
Ce2O315.55 %
Total:87.73 %
Sample references:
SampleReference
1Type SpecimenSegalstad, T. V. & Larsen, A. O. (1978): Gadolinite-(Ce) from Skien, southwestern Oslo Region, Norway. American Mineralogist 63: 188-195
Comments:As black, vitreous irregular masses up to 20 mm in diameter. Often with an orange or yellow, thin alteration rim (up to 0.5 mm)
Colour:Black
Confirmation
Validity:Valid - Type Locality
References
References:Segalstad, T. V. & Larsen, A. O. (1978): Gadolinite-(Ce) from Skien, southwestern Oslo Region, Norway. American Mineralogist 63: 188-195
Data
Mineral Data:Click here to view Gadolinite-(Ce) data
Locality Data:Click here to view Buer, Bjørkedalen, Porsgrunn, Telemark, Norway
Photo GalleryView Gallery (2 photos)
Nearest other occurrences of Gadolinite-(Ce)
9.2km (5.7 miles) Blåfjell (E18 roadcuts), Kokkersvold E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway
14.1km (8.8 miles) Auen Quarry (Blue Pearl Quarry), Auenslandet, Porsgrunn, Telemark, Norway
14.6km (9.1 miles) Midtfjellet Quarry (Mellomfyllet Quarry), Malerød, Larvik, Vestfold, Norway
14.7km (9.2 miles) Vardåsen Quarry (Vardaasen Quarry; Vardasen Quarry), Malerød, Larvik, Vestfold, Norway
15.2km (9.5 miles) Bratthagen 1, Lågendalen, Hedrum, Larvik, Vestfold, Norway
15.3km (9.5 miles) Vevja Quarry, Tvedalen, Larvik, Vestfold, Norway
15.8km (9.8 miles) A/S Granit Quarry, Tuften (Tuften 1 Quarry; Tuften 2 Quarry), Tvedalen, Larvik, Vestfold, Norway
16.0km (9.9 miles) Bjørndalen Quarry, Tvedalen, Larvik, Vestfold, Norway
16.6km (10.3 miles) Almenningen Quarry (Treschow-Fritzøe Quarry), Tvedalen, Larvik, Vestfold, Norway
17.0km (10.6 miles) Saga Pearl Quarry, Tvedalen, Larvik, Vestfold, Norway
 
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