| 释义 |
kreittonite Min.|ˈkraɪtənaɪt|
[Named, 1848, f. Gr. κρείττων stronger, superior, as being of higher specific gravity than other spinels: see -ite.]
A variety of gahnite or zinc spinel, from Bodenmais in Bavaria, containing a considerable amount of iron.
1850Dana Min. (ed. 3) 371 Kreittonite, a black spinel. 1893Chapman Blowpipe Pract. 211 Kreittonite [is] a ferruginous variety. |