mineral
Gold
Gold (Au)
AI-generated identification · may be incorrectHardness 2.5-3 on Mohs scale, golden-yellow color, metallic luster, cubic crystal system, no cleavage, very high specific gravity (19.3).
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Physical properties
Hardness 2.5-3 on Mohs scale, golden-yellow color, metallic luster, cubic crystal system, no cleavage, very high specific gravity (19.3).
Formation & geological history
Formed via hydrothermal veins and placer deposits associated with igneous intrusions, dating across various geological eras.
Uses & applications
Used primarily in jewelry, electronics, investment bullion, and financial reserves.
Geological facts
Gold is exceptionally malleable and ductile; a single ounce can be drawn into a wire 50 miles long.
Field identification & locations
Identified by its distinctive yellow metallic color, high density, and resistance to tarnish; commonly found in stream beds and quartz veins worldwide.
