RockVault
Cerussite

Image: <bdi><a href="https://www.wikidata.org/wiki/Q108103612" class="extiw" title="d:Q108103612"><span title="Wikipedian and OpenStreetMap mapper from Cologne, Open Data activist">Raimond Spekking</span></a></bdi> (CC BY-SA 4.0)

orthorhombicuncommonCarbonates

Cerussite

PbCO₃

This specimen features a complex, reticulated aggregate of intergrown, often twinned, colorless to white cerussite crystals, displaying a brilliant adamantine luster.

Cerussite Physical Properties

Mohs Hardness

3.25

Crystal System

orthorhombic

Luster

adamantine

Streak Color

white

Cleavage

distinct on {110} and {021}

Fracture

conchoidal

Specific Gravity

6.55

Colors

colorless, white, gray, yellow, brown, blue, green

Transparency

transparent

Type Locality

Tsumeb, Namibia

Mineral Group

Carbonates

Uses

lead ore, collector's specimens

Associated Minerals

malachite, galena, anglesite, azurite, smithsonite

Rarity

uncommon

Geological Context

Cerussite is a secondary mineral formed in the oxidized zone of lead ore deposits, typically resulting from the alteration of galena (PbS) by carbonic acid-rich waters.