Rock Identifier
Gold Nugget (Native Gold (Au)) — mineral
mineral

Gold Nugget

Native Gold (Au)

AI-generated identification · may be incorrect

Hardness of 2.5-3 on the Mohs scale, bright metallic golden-yellow color, metallic luster, cubic crystal system, no cleavage, and exceptionally high specific gravity around 19.3.

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Physical properties

Hardness of 2.5-3 on the Mohs scale, bright metallic golden-yellow color, metallic luster, cubic crystal system, no cleavage, and exceptionally high specific gravity around 19.3.

Formation & geological history

Formed through hydrothermal processes where gold-bearing fluids precipitate in quartz veins or as alluvial placer deposits in riverbeds.

Uses & applications

Used primarily for jewelry, financial investment bullion, electronics manufacturing, and high-end industrial applications.

Geological facts

Gold is extremely malleable; a single ounce can be drawn into a wire 50 miles long. It does not tarnish or corrode over time.

Field identification & locations

Identify by its heavy weight, yellow metallic streak, and resistance to acid testing. Found globally in auriferous gravels and quartz formations.