mineral
Gold Flake (Placer Gold)
Native Gold (Au)
AI-generated identification · may be incorrectHardness 2.5–3 on the Mohs scale, metallic luster, rich golden-yellow color, highly malleable, specific gravity of 15.6–19.3.
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Physical properties
Hardness 2.5–3 on the Mohs scale, metallic luster, rich golden-yellow color, highly malleable, specific gravity of 15.6–19.3.
Formation & geological history
Formed in hydrothermal quartz veins, then eroded and concentrated by running water in alluvial gravels or riverbeds.
Uses & applications
Heavily utilized in jewelry, electronics, currency reserves, and as investment bullion or collector micro-specimens.
Geological facts
Native gold does not tarnish or oxidize in air or water, and even tiny microscopic flakes maintain their brilliant color indefinitely.
Field identification & locations
Identify by its malleability (dents rather than breaks), resistance to acid, and persistence in gold pans due to extreme density.
