mineral
Gold Nugget
Gold (Au)
AI-generated identification · may be incorrectHardness of 2.5-3 on the Mohs scale, bright yellow color, metallic luster, isometric crystal system, high specific gravity around 19.3.
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Physical properties
Hardness of 2.5-3 on the Mohs scale, bright yellow color, metallic luster, isometric crystal system, high specific gravity around 19.3.
Formation & geological history
Formed via hydrothermal vein deposition and placer concentration in ancient orogenic belts and river systems.
Uses & applications
Used primarily for jewelry, investment bullion, electronics, and dentistry.
Geological facts
Gold is extremely malleable; a single gram can be beaten into a sheet of one square meter.
Field identification & locations
Identify by its high density, softness, and lack of reaction to acid; commonly found in alluvial gravels and quartz veins worldwide.
