† ˈthallite Min. Obs.
[a. F. thallite (J. C. Delamétherie, 1792), f. Gr. θάλλ-ειν to flourish, bloom, or θαλλός young shoot (in allusion to its colour) + -ite1.]
A rejected name for epidote occurring in yellowish-green crystals.
| 1802 Bournon in Phil. Trans. XCII. 291 The substance called thallite (the epidote of the Abbé Hauy). 1868 Dana Min. (ed. 5) 284 Thallite..was rejected because it was based on a varying character, color. |