RockVault
Silver

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)

cubicrareNative Elements

Silver

Ag

This specimen of native silver consists of intertwined wires, typically appearing gray or black due to tarnish, though it can rarely exhibit a bright silvery metallic luster when fresh. The sample is 5 cm across.

Silver Physical Properties

Mohs Hardness

2.5

Crystal System

cubic

Luster

metallic

Streak Color

silvery white

Cleavage

none

Fracture

hackly

Specific Gravity

10.5

Colors

silvery white, gray, black

Transparency

opaque

Mineral Group

Native Elements

Uses

jewelry, coinage, industrial, collector specimens

Associated Minerals

quartz, calcite, argentite, galena, proustite, pyrargyrite

Rarity

rare

Geological Context

Native silver forms in hydrothermal veins, often in zones of secondary enrichment, or in the oxidized zones of sulfide ore deposits.