
mineral
Gold Nugget
Gold (Au)
AI-generated identification · may be incorrectMohs hardness of 2.5 to 3; bright golden-yellow color with a metallic luster; isometric crystal system; high specific gravity of 19.3.
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Physical properties
Mohs hardness of 2.5 to 3; bright golden-yellow color with a metallic luster; isometric crystal system; high specific gravity of 19.3.
Formation & geological history
Formed via hydrothermal precipitation from mineralizing fluids in quartz veins or concentrated in alluvial placers through weathering and erosion over millions of years.
Uses & applications
Used extensively in jewelry, investment bullion, electronics, and aerospace manufacturing.
Geological facts
Gold is extremely malleable and ductile; a single gram can be drawn into a wire one kilometer long.
Field identification & locations
Identified by its high density, softness, and distinct metallic yellow color that does not tarnish or streak green. Found globally in quartz veins and stream beds.