Fluocerite

Fluocerite

Fluocerite is a mineral, a cerium, lanthanum fluoride, formula (Ce,La)F3. It is recognized as two different minerals depending on the cation, fluocerite-(Ce) and fluocerite-(La). Both crystallize in the hexagonal system.

Fluocerite-(Ce) was first described (without the Ce) in 1845 from hydrothermal veins in granite in Sweden. Fluocerite-(La) was first described in 1969 from the type locality in central Kazakhstan.

References

* [http://www.mindat.org/min-1569.html Mindat with locations]
* [http://www.webmineral.com/data/Fluocerite-(Ce).shtml Webmineral Fluocerite-(Ce)]
* [http://webmineral.com/data/Fluocerite-(La).shtml Webmineral Fluocerite-(La)]


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  • Fluocerite — Fluocerine Flu o*ce rine, Fluocerite Flu o*ce rite, n. [Fluo + cerium.] (Min.) A fluoride of cerium, occuring near Fahlun in Sweden. Tynosite, from Colorado, is probably the same mineral. [1913 Webster] …   The Collaborative International Dictionary of English

  • fluocerite — fluo·cerite …   English syllables

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  • Fluocerine — Flu o*ce rine, Fluocerite Flu o*ce rite, n. [Fluo + cerium.] (Min.) A fluoride of cerium, occuring near Fahlun in Sweden. Tynosite, from Colorado, is probably the same mineral. [1913 Webster] …   The Collaborative International Dictionary of English

  • Tysonite — Ty son*ite, n. [After S. T. Tyson.] (Min.) A fluoride of the cerium metals occurring in hexagonal crystals of a pale yellow color. Cf. {Fluocerite}. [1913 Webster] …   The Collaborative International Dictionary of English

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