mineral
Gold
Gold (Au)
Hardness: 2.5-3; Color: Golden yellow; Luster: Metallic; Crystal Structure: Isometric/Cubic; Cleavage: None; Specific Gravity: 19.3
- Hardness
- 2
- Color
- Golden yellow
- Luster
- Metallic
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Physical properties
Hardness: 2.5-3; Color: Golden yellow; Luster: Metallic; Crystal Structure: Isometric/Cubic; Cleavage: None; Specific Gravity: 19.3
Formation & geological history
Formed primarily in hydrothermal veins and placer deposits; often associated with quartz and sulfide minerals. It creates as a result of magmatic processes or erosion transport.
Uses & applications
Extensively used in jewelry, electronics (due to high conductivity), dentistry, and as a financial reserve/currency.
Geological facts
Gold is one of the most ductile and malleable metals on Earth; a single ounce can be beaten into a sheet covering 100 square feet. It is chemically inert and does not tarnish.
Field identification & locations
Identified in the field by its high density, golden streak, and metallic luster. Common locations include South Africa, Australia, Canada, and the United States (California/Alaska).
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Mineral/Rock
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Green Apatite on Albite
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mineral