释义 |
tysonite Min.|ˈtaɪsənaɪt| [f. the name of S. T. Tyson, from whom it was received + -ite1.] A rare native fluoride of the cerium metals.
1880Allen & Comstock in Amer. Jrnl. Sc. & Arts XIX. 390 The formula (Ce, La, Di)2 Fl6 appears.. to express the composition of the mineral... It should be regarded as a new species. We propose for it the name Tysonite. |