mineral

Gold Nugget

Native Gold (Au)

AI-generated identification · may be incorrect

Hardness: 2.5-3; Color: Golden-yellow; Luster: Metallic; Crystal Structure: Isometric (rarely visible in nuggets); Cleavage: None; Specific Gravity: 19.3 (pure)

Hardness: 2
Color: Golden-yellow
Luster: Metallic

Identified May 7, 2026More mineral →

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Physical properties

Hardness: 2.5-3; Color: Golden-yellow; Luster: Metallic; Crystal Structure: Isometric (rarely visible in nuggets); Cleavage: None; Specific Gravity: 19.3 (pure)

Formation & geological history

Formed in hydrothermal quartz veins and concentrated by erosion into alluvial placer deposits. Geological age spans from Archean to recent.

Uses & applications

Basis for monetary systems, high-end jewelry, electronics (excellent conductor), and a highly sought-after investment/collector item.

Geological facts

Nuggets are rare natural concentrations of gold that have survived the abrasive transport of river systems. The largest ever found was the 'Welcome Stranger' in Australia, weighing 72 kg.

Field identification & locations

Identified by its high density, extreme malleability (it bends rather than shatters), and yellow streak. Found in gold-bearing river gravels or lode deposits.