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Bastnäsite-(Ce) from
Eudidymite locality, Lille Arøya, Langesundsfjorden, Larvik, Vestfold, Norway

Classification
Species:Bastnäsite-(Ce)
Formula:Ce(CO3)F
Comments:Brøgger described a new mineral he called "Weibeyite" from the known eudidymite-locality. Later Pecora (1959) and Sæbö (1963) found "weibeyite" to be bastnäsite-(Ce) pseudomorphoses after ancylite-(Ce) or both bastnäsite-(Ce) and ancylite-(Ce) pseudomorphoses after zircon.
Confirmation
Validity:Believed Valid
References
References:Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. 663 pp [pp. 650-654]; Sverdrup, T. L.,Bryn, K. Ø. & Sæbø, P.Chr.(1959): Contributions to the mineralogy of Norway. No. 2. Bastnäsite, a new mineral for Norway. Geologisk Tidsskrift 39, 237-247; Sæbö (1963); Neumann (1985, pp. 99 and 100).
Data
Mineral Data:Click here to view Bastnäsite-(Ce) data
Locality Data:Click here to view Eudidymite locality, Lille Arøya, Langesundsfjorden, Larvik, Vestfold, Norway
Mineral and/or Locality  
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