ichthyophthalmite Min.
(ɪkθɪɒfˈθælmaɪt)
[f. Gr. ἰχθύ-ς fish + ὀϕθαλµ-ός eye + -ite, in reference to its appearance. (In 1801 called ichthyophthalme.)]
A synonym of apophyllite.
| [1801 Nicholson's Jrnl. V. 195 With sulphate of lime (gypsum), the ichtyophtalme is infusible.] 1805 R. Jameson Syst. Min. II. 601 Ichthyophthalmite, or Fish-eye-stone. 1883 Encycl. Brit. XVI. 421/1. |