RockVault
Antimony

Image: <bdi><a href="https://www.wikidata.org/wiki/Q126871368" class="extiw" title="d:Q126871368"><span title="photographer from the United States">Darla Sondrol</span></a></bdi> (CC0)

trigonaluncommonNative Elements

Antimony

Sb

This sample, 6 cm across, contains native antimony (Sb) and cervantite (Sb2O4). Both are gray, but the antimony exhibits a brighter, more metallic luster.

Antimony Physical Properties

Mohs Hardness

3

Crystal System

trigonal

Luster

metallic

Streak Color

gray to black

Cleavage

perfect on {0001}

Fracture

uneven

Specific Gravity

6.62

Colors

tin-white, silvery-gray

Transparency

opaque

Type Locality

Germany

Mineral Group

Native Elements

Uses

industrial, alloys, semiconductors, flame retardants

Associated Minerals

cervantite

Rarity

uncommon

Geological Context

Native antimony is a rare mineral typically found in hydrothermal veins, often associated with other antimony-bearing minerals, and can also occur in low-temperature deposits under reducing conditions.