actinolite Min.
(ækˈtɪnəlaɪt)
Incorrectly actynolite.
[f. actino- ray + λίθος stone.]
A bright green variety of Hornblende, occurring usually in fasciculated crystals.
| 1833 Lyell Elem. Geol. (1865) 592 Hornblende and Actinolite may be united. 1835 Kirby Habits & Inst. Anim. I. vi. 193 Actinolites, Pyrites, and other substances exhibit it [a tendency to radiation] in the former [the mineral kingdom]. 1876 Page Advd. Text-bk. Geol. v. 104 Asbestos or amianthus..may be regarded as a variety of actynolite. |