
mineral
Gold
Native Gold (Au)
AI-generated identification · may be incorrectMohs hardness 2.5 to 3, bright golden-yellow color with a metallic luster, isometric crystal system, and no cleavage.
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Physical properties
Mohs hardness 2.5 to 3, bright golden-yellow color with a metallic luster, isometric crystal system, and no cleavage.
Formation & geological history
Forms in hydrothermal veins and placer deposits through geological concentration processes over millions of years.
Uses & applications
Extensively used in fine jewelry, electronics manufacturing, investment bullion, and currency.
Geological facts
Gold is extremely malleable and ductile; a single ounce can be drawn into a wire 50 miles long.
Field identification & locations
Identified by its distinctive yellow color and high density; commonly recovered from riverbeds and quartz veins.