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 f...
Found on http://en.wikipedia.org/wiki/Fluocerite

Fluocerite

• (n.) A fluoride of cerium, occuring near Fahlun in Sweden. Tynosite, from Colorado, is probably the same mineral.
Found on http://thinkexist.com/dictionary/meaning/fluocerite/
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