Crossword clue: a fluoride of cerium, occuring near fahlun in sweden. tynosite, from colorado, is probably the same mineral.

The most common answer is fluocerine (10 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

fluocerine 10 letters web-def

A fluoride of cerium, occuring near Fahlun in Sweden. Tynosite, from Colorado, is probably the same mineral.

fluocerite 10 letters web-def

A fluoride of cerium, occuring near Fahlun in Sweden. Tynosite, from Colorado, is probably the same mineral.