Chrysoritis brooksi, the Brook's opal, is a butterfly of the family Lycaenidae found only in South Africa.
The wingspan is 26âÂÂ30 mm for males and 28âÂÂ32 mm for females. Its flight period is from September to April, occasionally as late as June.
Larvae feed on Thesium and Zygophyllum species. They are associated with Crematogaster peringueyi ants.