mineral

Gold Nugget

Native Gold (Au)

Hardness: 2.5-3 (Mohs scale), Color: Golden yellow, Luster: Metallic, Crystal Structure: Isometric (cubic), Cleavage: None, Specific Gravity: 19.3 (very heavy)

Hardness: 2

Identified April 8, 2026More mineral →

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Physical properties

Hardness: 2.5-3 (Mohs scale), Color: Golden yellow, Luster: Metallic, Crystal Structure: Isometric (cubic), Cleavage: None, Specific Gravity: 19.3 (very heavy)

Formation & geological history

Formed through hydrothermal processes where hot, mineral-rich fluids circulate through crustal rocks, depositing gold in quartz veins. Often found as secondary placer deposits in riverbeds through erosion of primary veins.

Uses & applications

Primary source for jewelry, currency, electronics, and medical applications. Highly valued for investment and as a collector specimen.

Geological facts

Gold is incredibly ductile; a single ounce can be drawn into a wire miles long. Most gold on Earth's surface originated from ancient meteorite bombardments during the planet's early history.

Field identification & locations

Identify by its high density (feels heavy for its size), extreme malleability (it will dent rather than shatter if struck), and persistent metallic luster even in low light or underwater.