ophitic

adjective

ophit·​ic ä-ˈfi-tik 

ō-

: having or being a rock fabric in which lath-shaped plagioclase crystals are enclosed in later formed augite

Word History

Etymology

ophite "rock with snake-like markings, serpentine" (borrowed from Latin ophītēs, borrowed from Greek ophī́tēs [líthos] "snake-like [stone]," from óphis "snake" + -itēs -ite entry 1) + -ic entry 1 — more at ophidian

First Known Use

1870, in the meaning defined above