Cervantite is an

antimony Antimony is a chemical element with the symbol Sb (from la, stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient t ...

oxide mineral with formula Sb³⁺Sb⁵⁺O₄ ( antimony tetroxide). It was first described in 1850 for an occurrence in

Cervantes Miguel de Cervantes Saavedra (; 29 September 1547 (assumed) – 22 April 1616 Old Style and New Style dates, NS) was an Early Modern Spanish writer widely regarded as the greatest writer in the Spanish language and one of the world's pre-emin ...

, Sierra de Ancares, Lugo, Galicia,

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

, and named for the locality. The mineral was questioned and disapproved, but re-approved and verified in 1962 based on material from the Zajaca-Stolice district, Brasina,

Serbia Serbia (, ; Serbian: , , ), officially the Republic of Serbia (Serbian: , , ), is a landlocked country in Southeastern and Central Europe, situated at the crossroads of the Pannonian Basin and the Balkans. It shares land borders with Hungar ...

. It occurs as a secondary alteration product of antimony bearing minerals, mainly

stibnite Stibnite, sometimes called antimonite, is a sulfide mineral with the formula Sb2 S3. This soft grey material crystallizes in an orthorhombic space group. It is the most important source for the metalloid antimony. The name is derived from the ...

References

Oxide minerals Antimony minerals Orthorhombic minerals Minerals in space group 33 {{Oxide-mineral-stub