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Cervantite

Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)

orthorhombicrareOxides

Cervantite

Sb₂O₄

This image displays a sculptural, solid specimen of light brown cervantite, showing a dull to greasy luster typical of the mineral.

Cervantite Physical Properties

Mohs Hardness

4.5

Crystal System

orthorhombic

Luster

vitreous

Streak Color

yellowish-white

Cleavage

none

Fracture

uneven to subconchoidal

Specific Gravity

6.64

Colors

yellow, yellowish-white, brown, grey

Transparency

opaque to translucent

Type Locality

Huitzuco de los Figueroa (Huitzuco), Municipio de Huitzuco, Guerrero, Mexico

Mineral Group

Oxides

Uses

ore of antimony, collector

Associated Minerals

stibnite, kermesite, valentinite, senarmontite, native antimony

Rarity

rare

Geological Context

Cervantite is a secondary mineral that forms in the oxidized zone of antimony deposits, typically as an alteration product of primary antimony sulfides like stibnite.