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Crystal System:
Name used for F-dominant members of the Bastnäsite Group for which the dominant REE element is not known.
A greasy, wax-yellow to reddish-brown weakly radioactive mineral, most commonly found in etamorphic rocks and pegmatites, associated with allanite, cerite, tysonite, fluorite, and tornebohmite.

Visit for gemological information about Bastnäsite.

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Physical Properties of BastnäsiteHide


Crystallography of BastnäsiteHide

Crystal System:

Synonyms of BastnäsiteHide

Other Language Names for BastnäsiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Fluorite4 photos of Bastnäsite associated with Fluorite on
Parisite3 photos of Bastnäsite associated with Parisite on
Synchysite-(Y)2 photos of Bastnäsite associated with Synchysite-(Y) on
Rhodochrosite2 photos of Bastnäsite associated with Rhodochrosite on
Chalcopyrite2 photos of Bastnäsite associated with Chalcopyrite on
Pyrite1 photo of Bastnäsite associated with Pyrite on
Ancylite-(Ce)1 photo of Bastnäsite associated with Ancylite-(Ce) on
Allanite-(Ce)1 photo of Bastnäsite associated with Allanite-(Ce) on
Quartz1 photo of Bastnäsite associated with Quartz on
Polylithionite1 photo of Bastnäsite associated with Polylithionite on

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for BastnäsiteHide

Reference List:
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Hisinger (1838) Svenska Vetenskapsakademien, Stockholm, Handlingar, Öfv: 189 (as Basiskfluor-cerium).
Huot, J.J. (1841) Manuel de Minéralogie. 2 volumes, Paris: 1: 296.
Nordenskiöld (1868) Svenska Vetenskapsakademien, Stockholm, Handlingar, Öfv: 25: 39 (as Hamartite).
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 289-291.

Internet Links for BastnäsiteHide

Localities for BastnäsiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListShow

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