| 释义 |
dioptase Min.|daɪˈɒpteɪs|
[a. F. dioptase (Haüy 1801), irreg. f. Gr. δι-, δια- through + ὀπτός seen, visible: cf. διόπτης a looker through.]
A translucent silicate of copper, crystallizing in six-sided prisms, called emerald copper ore.
1804W. Nicholson tr. Fourcroy's Chem. II. 430 Dioptase is an ore of copper. 1868Dana Min. 402 Dioptase occurs disposed in well defined crystals and amorphous on quartz. |