Cervantite, also formerly known as antimony ochre[6]: 188  — is an antimony oxide mineral with formula Sb3+Sb5+O4 (antimony tetroxide).

It was first described in 1850 for an occurrence in Cervantes, Galicia, Spain, and named for the locality.

[4] The mineral was questioned and disapproved, but re-approved and verified in 1962 based on material from the Zajaca-Stolice district, Brasina, Serbia.

[3] It occurs as a secondary alteration product of antimony bearing minerals, mainly stibnite.

[3] This article about a specific oxide mineral is a stub.