Tysonite

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Ty´son`ite


n.1.(Min.) A fluoride of the cerium metals occurring in hexagonal crystals of a pale yellow color. Cf. Fluocerite.
References in periodicals archive ?
Geijer (1920), who first reported fluocerite-(Ce) in mocroscopic amounts, also noted its replacement by bastnasite along cleavage cracks in the fluocerite.