释义 |
laitakarite Min.|laɪtəˈkɑːraɪt| [ad. Finn. laitakariittii (A. Vorma 1959, in Geologi (Helsinki) III. xi. 11), f. the name of Aarne Laitakari (b. 1890), director of the Geological Survey of Finland (see quot. 1959): see -ite1.] A white rhombohedral selenide and sulphide of bismuth, Bi4Se2S.
1959Mineral. Abstr. XIV. 139/2 The new mineral was named, in the honour of the discoverer of the material from which it was disclosed, laitakarite, and it is supposed to be isomorphous with joseite. 1963Canad. Mineralogist VII. 678 The data given in Table 1 show the probable identity of laitakarite and selenjoseite. 1968I. Kostov Mineral. ii. ii. 164 Additional minerals are laitakarite (Bi4Se2S) and paraguanajuatite (Bi2(Se,S)3), which are isostructural with the minerals of the tetradymite group. |