Chrysoritis aethon, the Lydenburg opal, is a butterfly of the family Lycaenidae.

It is found in South Africa, where it is known from northern KwaZulu-Natal to Mpumalanga, along the Drakensberg escarpment to Mariepskop in Limpopo.

Adults are on wing from September to April, with peaks in November and February.

[3] The larvae feed on Rhus zeyheri and Diospyros species.

Data related to Chrysoritis aethon at Wikispecies