coraciteMin.|ˈkɒrəsaɪt| [f. κόραξ, κόρακ- raven + -ite.] A variety of pitchblende, from Lake Superior. 1849Amer.Jrnl.Sc.Ser. ii. III. 117 On Coracite, a new ore of Uranium.1868Dana Min. (1880) 155 Coracite is probably pitchblende mixed with some gummite.