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

Gold Nugget

Gold (Au)

AI-generated identification · may be incorrect

Hardness of 2.5 to 3 on the Mohs scale, bright yellow color with a metallic luster, isometric crystal system, and a high specific gravity of 19.3.

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Physical properties

Hardness of 2.5 to 3 on the Mohs scale, bright yellow color with a metallic luster, isometric crystal system, and a high specific gravity of 19.3.

Formation & geological history

Formed through hydrothermal processes where gold-bearing fluids precipitate within quartz veins, often weathered out into alluvial placer deposits.

Uses & applications

Used primarily in jewelry, financial investments, electronics manufacturing, and dentistry.

Geological facts

Gold is extremely malleable; a single ounce can be beaten into a sheet covering 300 square feet.

Field identification & locations

Identified in the field by its high weight, characteristic yellow color, and resistance to tarnish; found in riverbeds and mountainous gold-bearing regions.