释义 |
microlite|ˈmaɪkrəʊlaɪt| [f. micro- + -lite.] 1. Min. Impure calcium pyrotantalate, Ca2Ta2O7. First found in very small crystals, whence the name.
1835C. U. Shephard in Amer. Jrnl. Sci. XXVII. 361 Microlite, a New Mineral Species. 1868Dana Min. (ed. 5) II. 513. 2. Petrol. = microlith 1. Cf. crystallite 2.
1878Lawrence tr. Cotta's Rocks Class. 69 These bubbles, as well as the above-mentioned microlites. 1888Teall Brit. Petrogr. 14 Microlites differ from crystallites in possessing the internal structure of true crystals. 1926[see crystallite 2]. 1954H. Williams et al. Petrogr. ii. 13 Extremely minute incipient crystals..are called microlites, provided they are birefringent; if they are even smaller, spherical, rod- and hair-like isotropic forms, they are called crystallites. |