Cervantite

A variety of Minerals

Cervantite specimen - rock identification

What is Cervantite?

Cervantite is an antimony oxide mineral with formula SbSbO4 (antimony tetroxide). It was first described in 1850 for an occurrence in Cervantes, Sierra de Ancares, Lugo, Galicia, Spain, 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. It occurs as a secondary alteration product of antimony bearing minerals, mainly stibnite.

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Cervantite Localities Map

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North ZoneCentral RidgeSouth Basin

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More Images

Cervantite specimen 2
© Robert M. Lavinsky

Quick Facts

Physical Properties

Color
Yellow, off-white, reddish-white; colourless in transmitted light
Hardness (Mohs)
4 - 5
Density
6.64 g/cm³
Streak
Light yellow, white

Chemical Properties

Chemical Formula
Sb3+Sb5+O4
Elements
O, Sb

Also Known As

CervantiteAntimonous Acid
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