mineral
Gold Ore
Gold-bearing quartz or sulfide matrix (Au)
AI-generated identification · may be incorrectHardness 2.5-3 for native gold, golden-yellow color, metallic luster, cubic crystal system, no cleavage, high specific gravity.
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Physical properties
Hardness 2.5-3 for native gold, golden-yellow color, metallic luster, cubic crystal system, no cleavage, high specific gravity.
Formation & geological history
Formed through hydrothermal processes where gold-rich fluids precipitate in rock fractures, often associated with quartz veins.
Uses & applications
Extracted primarily for bullion, jewelry, electronics, and investment value.
Geological facts
Commonly referred to as fool's gold when confused with pyrite, though true gold is malleable and does not fracture.
Field identification & locations
Identified by its high density, softness, and inability to be scratched easily by steel (though the host rock may vary).
