mineral

Silver Nuggets (Natural or Cast)

Native Silver (Ag)

Hardness: 2.5-3 (Mohs). Color: Silver-white on fresh surface, tarnishing to gray/black. Luster: Metallic. Crystal Structure: Isometric/Cubic. Specific Gravity: 10.1-11.1.

Hardness: 2
Color: Silver-white on fresh surface, tarnishing to gray/black
Luster: Metallic

Identified July 21, 2026More mineral →

Explore Silver Nuggets (Natural or Cast) in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Hardness: 2.5-3 (Mohs). Color: Silver-white on fresh surface, tarnishing to gray/black. Luster: Metallic. Crystal Structure: Isometric/Cubic. Specific Gravity: 10.1-11.1.

Formation & geological history

Formed as a primary mineral in hydrothermal veins, often associated with lead, zinc, and copper deposits. Can also form as a secondary mineral in oxidation zones of ore deposits.

Uses & applications

Highly valued for coinage, investment bullion, electronics (excellent conductor), jewelry, and as a collectible geological specimen.

Geological facts

Silver is the most reflective element and has the highest thermal and electrical conductivity of all metals. Most silver is produced as a byproduct of mining other metals like copper and gold.

Field identification & locations

Identify by high density, malleability (it can be flattened with a hammer), and metallic silver luster. Specimens often show dendritic (branch-like) or wire-like growth patterns.