[af-uh-nahyt] 
| a fine-grained igneous rock having such compact texture that the constituent minerals cannot be detected with the naked eye. |
| aph·a·nite (āf'ə-nīt') n. A dense, homogeneous rock with constituents so fine that they cannot be seen by the naked eye. [From Greek aphanēs, unseen : a-, not; see a-1 + phainesthai, phan-, to appear, passive of phainein, to show; see phenomenon.] aph'a·nit'ic (-nĭt'ĭk) adj. |
əˌnaɪt
s