tysonite
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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
tysonite — ty·son·ite … English syllables
tysonite — ˈtīsənˌīt noun ( s) Etymology: S.T. Tyson 19th century American naturalist + English ite : fluocerite … Useful english dictionary
bastnaesite — /bast neuh suyt /, n. a rare earth mineral, fluorocarbonate of lanthanum and cerium, with a waxy yellow to reddish brown color, commonly associated with zinc ores. Also, bastnäsite. [named after Bastnäs, mine in Sweden; see ITE1] * * * ▪ mineral… … Universalium
Mineralogy of the Pikes Peak Region — Pikes Peak seen from the Garden of the Gods. The Pikes Peak region is renowned for its rare mineral specimens. It is a favorite collecting area for rock hounds and serious collectors alike. Scientists from around the world come to Colorado to… … Wikipedia
SUPERCONDUCTEURS IONIQUES — La matière peut prendre différents états (plasma, gaz, liquide, solide) qui se différencient par leur densité, leur capacité thermique massique et, en particulier, la valeur du coefficient de diffusion des espèces constituantes: atomes, ions,… … Encyclopédie Universelle
