| 释义 |
opacite Min.|ˈəʊpəsaɪt|
[mod. (1872) f. L. opāc-us opaque + -ite1.]
(See quots.)
1879Rutley Stud. Rocks x. 166 Opacite is the term applied to perfectly opaque, black, amorphous, microscopic granules, patches, or scales. 1880Dana's Min. App. ii. 42 Opacite, a name proposed by Vogelsang for the black opaque scales or grains..which cannot be identified with magnetite, menaccanite, or any other mineral. |